How to simplify mesh in rhino When I check “Mesh Repair”, it says that it is a good mesh but yet an open mesh not a close mesh. In this blog post, we’ll explore an easy yet powerful workflow for creating a complex tensile mesh structure. This video uses contour map data from Digimaps. more Nov 14, 2025 · The Mesh command creates a polygon mesh from a NURBS surface, polysurface, or SubD. The Simplify Polys command simplifies one or more 2D polygons, 3D polygons, and polylines by reducing the number of corner vertices. But honestly, I would rebuild the model with better 3D methods. My purpose is to analyze an existing urban model. The UseExtrusions command controls the use of lightweight extrusion objects. Hopefull Oct 24, 2017 · The mesh is first triangulated, its polygon count is reduced, and the resulting triangular mesh is quadrangulated again. Inputs Check our new tutorial and please let us know in comments what would you like us to show next! More videos on mesh modeling in Rhino and Grasshopper: • Understanding complex geometries in Grassh Sep 28, 2022 · Hello everyone. Jan 20, 2014 · After import, the geometry exists in Rhino as a series of faceted polygons grouped in an open mesh. OSM and Caddmapper did not have the building elevation for the Learn how to convert a mesh into Nurbs using Rhino. Nov 14, 2025 · SelSubD Select all Rhino SubD objects in the model that are not locked or hidden. The fewer the triangles the faster it will run. White paper: Scan, Cleanup, Remodel Collapse mesh faces and vertices Rhino: Reduce mesh from high polygon mesh models Design Strategies 8. If a mesh is generated from a solid, the mesh will be seamless . 4K subscribers Subscribe Subscribed A very important brief overview of Rhino's custom meshing settings and how they work. Following are some bits of advice distilled from various discussions among the Pros on the Rhino newsgroup. I am using Rhino 6. kind regards -tom 1 Like pascal (Pascal Golay) November 16, 2020, 2:03am 3 Oct 24, 2017 · Edit existing mesh objects. 6 Match and merge surface (5:25) For designers who need to explore organic shapes quickly, SubD is a new geometry type that can create editable, highly accurate shapes. But I'm having a hard time modifying the mesh in Rhino. all surfaces after converted to mesh and quadrangulation: meshes which couldn`t be quadriangulate: I know that it is possible to do it in Rhino by i. Does anyone know how to reduce them keeping the “structure” or Flatten - Graft - Simplify - Grasshopper Tutorial Rhino Grasshopper 92. An other way is to convert your objects to light meshes and wipe away the NURBS objects (you can keep it in a separate file). Point count and Degree values change automatically to fulfill the minimum requirement of Point count = Degree + 1. This tool is ideal for reducing the complexity of meshes without significant loss of precision in areas that don’t require detailed geometry, resulting in a smaller, more manageable file size. The MeshRepair command integrates many mesh cleanup commands into a single dialog. Combining these tools reduces friction for common solid creation/editing tasks. Aug 14, 2020 · The same meshing engine in Rhino is used in both the creation of analysis meshes for the functions like Draft Analysis and Curvature Analysis, EMap and by the Mesh command (Tools > Polygon Mesh > From NURBS Object), which creates a real mesh object directly from a NURBS object. Please see the attached images for reference: Image 1: This is the original scanned mesh (a dental model), shown in black wireframe. Feb 15, 2019 · Normally, the when the curve or surface is edited or rebuilt something, the control points has increased so much… Is there a tool to reduce these points regularly? Because every time I just delete some points which I don’t need manually, and it is so complicated… Feb 5, 2021 · The second thing I’d like to do is simplify the mesh so that I can work on it in Sketchup. ThanksWashing Machine. To make commands that normally create extrusions create polysurfaces, select the Polysurface option. Any ideas what this is or how to replicate it? Apr 26, 2025 · To address mesh repair using Rhino v8, start by contouring the mesh to create a set of polylines. Dec 4, 2019 · Is there an easy way to simplify the meshes as seen in the file? The 3D shape has to be out of multiple flat surfaces. When I’m working with meshes for printing, for example, a workflow I like to use is where I mostly work in Sub-D’s and will go into a mesh as a final result. The topology or mesh pattern of a model can drastically affect the smoothing of a Hello, I am trying to export topography from revit into rhino so I can make a CNC file. So far I turned mesh into nurb and tried Solid Union and Merge faces , but the program keeps crashing before it can process. You can do by selecting all objects and disable it at the object properties or you edit your display mode. To simplify curves, you can try exploding them and dividing their segments based on their length. Dec 3, 2015 · Hi, I need some help (or some fresh thinking to boost my tired brain…). ) I have figured out the Rhino commands to use: QuandrangulateMesh UnifyMeshNormals MatchMeshEdge ToNURBS MergeAllCoplanarFaces Now I am trying to replicate this process using Grasshopper but I don’t know how to remove naked Meshmixer or try to take the mesh into Rhino 7 and use their mesh remixer tool they just released, it’ll simplify it a good bit. The object to the right is the starting point and the one to the left is the work-in-progress-piece. So I first need to create the model in Rhino. Is there a way to do this? I know how to alter terrains using sandbox in Sketchup but Sketchup crashes with complex files so I haven’t been able to find a way to do this in Rhino OR Sketchup for this file. I cant seem to get what I want in Autocad and was wondering if there was a function in Rhino that would work? Just want the to create more aesthetical smooth lines thanks Oct 24, 2017 · When the initial mesh grid is made, trim curves are ignored. Learn rhino basic tutorial for beginner how to simplify or reduce mesh object #mufasucad #rhino #howtomore Reduces a mesh object's polygon count. If a mesh is generated from a solid, the mesh will be seamless How to fix almost any surfaces As a 3D modeling guru, there was not so many things to do. When the shape is meshed, there is no lines and is the simple form that I want, but after using MeshToNURB, the lines appear. I can`t find a sollution how to Quadrangulate them even by changing the properties of quad. Select any of the surfaces on the icosahedron. First things first, load your topography curves in Rhino. 3dm (19. Discover tips to speed up creating and trimming curves with these powerful tools. To make this object more manageable and less complex, is it possible to lower the number of Sep 6, 2018 · I’m really stuck with a complex invalid mesh (see below for Rhino Mesh Check details), which I need to be able to work with for 3D printing. May 27, 2024 · I can’t quite tell, but it looks like you may be at the custom mesh limit on this model too. If the model is composed of largish planar mesh faces, MeshToNurb works well to convert the model to NURBS surfaces, and along with a few other tools such as MergeAllFaces, you can quickly get a good clean NURBS model in Rhino and continue modeling. If a mesh is generated from a solid, the mesh will be seamless May 28, 2025 · The Create Solid from Mesh tool in Rhino 3D is essential for converting mesh objects into solid NURBS geometry. A mesh is a collection of vertices and polygons that define the shape of an polyhedral object. While I’ve read many existing posts here about it, my current need might be a little different from the usual cases. I tried everything I know to do in Rhino to fix the mesh and edges. I would like to simplify it a lot. Note The mesh is first triangulated, its polygon count is reduced, and the resulting triangular mesh is quadrangulated again. The key steps in this Apr 17, 2020 · Still though, when converting a complex nurbs surface into subd you don’t get a nice looking box and Rebuild Subd will help a lot i. It can also convert simple objects to NURBS for programs that only read NURBS. when converting complex nurbs surface into subd and remove some of the faces to simplify the number of control points… soon you end up with spaghetti looking smooth edges that overlap each other. Surface tools 12. The only way I've found inside Rhino to convert it into a model is pointcloud to mesh. This component has an output Transform that can be used to position the original curves in the same way that the simplified ones are nested on the sheet. 20K subscribers in the rhino community. Mesh Create a mesh from a NURBS surface or polysurface. What's the best way to optimize meshes topology in Rhino? I created this maze and wanted to convert all triangles into regular polygons (preferably squares & rectangles). This command is useful for removing unwanted detail, and for removing loops in curves and surfaces. For one step, I need to take the highly detailed model and greatly reduce the number of polygons in it. Thank you 👍 Now, I am trying to find a set of commands or way to simplify complicated meshes into specific shapes (circle, square, triangles, square with triangle on top, etc) I’m thinking convert to polysurface, turn into point cloud with a point at every poly line end, delete everything but points, then I don’t know Nov 14, 2025 · Switches the dialog box to the detailed meshing settings. , but the new sub-d stuff and remeshing has changed the game tremendously. Document properties and Rhino options 11. The Rhino ‘Stitch’ only seems to come closest to what I look for, but all it does is aligning the selected edges, without ‘combining’ their vertices. As well I need an advice how to apply a surface/texture on bent surface, you can check the details in file attached. You Nov 8, 2016 · Hi, I am current trying to work with contour dwg file I received, however the lines are jagged with thousands of points. Any luck? Nov 14, 2025 · The Mesh command creates a polygon mesh from a NURBS surface, polysurface, or SubD. Jul 17, 2024 · Hello all, I once learned a technique in Rhino that enabled me to “infer” the shape of the object using a web/mesh material with points. If possible, I’d like to simplify this geometry, to make it easier to manipulate in Rhino, and use for things like Make2D. 87K subscribers Subscribe Jun 19, 2017 · One display speed tip I like to use if there are lots and lots of mesh objects is to simply Join all the meshes into one mesh with the Join command. Jul 5, 2013 · I am a beginner to intermediate Rhino user and am looking for a way to simplify a complex set of polysurfaces to be imported into a Sketchup file. To Sep 17, 2018 · The best way to simplify a complex model for 3D printing is to reduce its triangle mesh. Aug 9, 2018 · Hi, I’m very experienced with graphics and software development, but a relative newbie on Rhino. Very often, complex BIM models are imported into Rhino and we need to create only an outer shell, often for 3D printing or environmental analysis. If False then will run on main thread. Move the mouse to extrude the surface, but do not click or complete the command. It’s Intent is to create high quality rendering meshes that eliminate tessellation gaps between surfaces. Jul 7, 2022 · In Rhino, the name ‘Weld’ is used for smoothing over neighbouring mesh face normals, which is a very different thing. UnifyMeshNormals Change the normal direction mesh faces so they all point in a consistent direction. 18210. They don’t need to physically touch to become one mesh. Try It Download Rhino 8 Evaluation for Windows or Mac. stl mesh. I am planning to unroll this NURB, the shape is a simple triangle but has many extra lines that appear on the NURB and after I unroll the NURB, I wanted to simplify the faces as much as possible. Jan 15, 2020 · Judging by the screenshot, you already have a solid body (left), which only contains a hand full of surfaces. I cannot quite achieve it with the QuadRemesh command because i only get more twisted Quads. Sometimes called decimating, this process takes away a lot of the complex geometry that is great to have Jun 20, 2023 · Hello, I am new In Rhino and I need help in turning open mesh into closed poly-surfaces / intact solid called closed watertight because I need to work in Dragonfly specifically with the UWG tool. It’s a difficult problem to solve, but I would be interested in any novel approach. I was recommended Rhino8 to simplify that process of converting the scan data into something I can How to Get Make2D to Perform Better Make2D is one of Rhino's weaker spots, but it is still an essential function for many people. The mass should be one solid (which it is) but there are a lot of planar triangles. The Solid from Mesh command is a powerful tool that facilitates this conversion. Meshes of about 120 – 150 polygons can be easily manufactured. Mar 30, 2017 · Hi Everyone, I'm looking for a way to simplify a mesh so that the amount of faces are sigificantly reduced. The mesh is first triangulated, its polygon count is reduced, and the resulting triangular mesh is quadrangulated again. Mesh Simplification Drag and drop STL/OBJ files here or Select simplify to 50 % ?? Mb Click Simplify Status: Waiting for upload Jan 15, 2025 · Learn 3 different ways of how to automatically simplify a complex 3D mesh. I just need a very rough approximation of the shape. Feb 9, 2015 · SOLUTION: Let's simplify it. I had to adjust some angles and raise some of the top surfaces and therefore I had do extend the marked (yellow) surfaces slightly. Aug 26, 2022 · How does Rhino3D convert my design? There are several ways to change the point structure of your design from within Rhino. I’m also thinking that something like a Mar 12, 2020 · Hi all, Is there a way/component that is similar to @DanielPiker’s “Stripper” component in K2, but works in the opposite manner, i. 9. When you are satisfied with the results, click OK. but nothing seems to give me the result I'm after Nov 11, 2020 · The ReduceMesh command decreases the polygon mesh face count while minimizing geometric and texture distortion. Reverse Engineering from mesh to NURBS is not trivial in most cases. Dec 21, 2022 · Mesh topology is one of the most powerful and versatile tools available in Grasshopper. Do I need to buy another program? Suggestions? Similar Threads: Rhino 5 and meshes Problem- Surprise Meshes Instead of Solids Complex shapes for CNC. At the moment, I’m using the WarpWeft component (in K2) to work around; identifying every other mesh edge in one Aug 10, 2015 · The seperate connected surfaces tool is in s3d not rhino. I really need to keep the connectivity in the whole mesh, but I don’t need too much difinition in the small triangular mesh. 0 MB) Reduce mesh polygons to simplify. Get step-by-step instructions and tips for achieving the best results when meshing to Nurbs. Once you have simplified the curves, you can place them into the OpenNest component. e. Wa Jun 13, 2022 · In Rhino, you can use the MergeAllCoplanarFaces command on the original mesh to minimize the number of faces before converting to a polysurface. Where can I look for references like this or is there a plugin that I can use? Thanks (18. Nov 4, 2020 · Topic Replies Views Activity Simplify imported mesh Rhino for Windows 3 19763 January 28, 2014 Problems with surface triangulation/ meshing Rhino for Windows 7 2162 April 15, 2018 Apr 27, 2019 · Hi there, probably an easy way to fix this but I have no idea. We recommend the “Convert to Arcs” command within the “Curve” menu. I want to have this geometry as a simple box, to get rid of the diagonals. The model on the right looks like it was re-meshed sousing a quad-mesh/Sub-D/T-Spline approach. Nonmanifold meshes (meshes whose edges are shared by more than two faces) may result. Tutorial illustrating different ways to regenerate polysurfaces in Rhino Rhino3D for editing and optimizing the design. I created a set of “ribbons” using twist and then flow along curve, but the file ended up being 76mB and ends up slowing down the Sketchup file it’s inserted into. This community is for professional, student, and hobbyist users of McNeel's Rhinoceros 3d modeling software… ADVANCED RHINO / NURBS TO MESH / REDUCE MESH / MESH TO POLYSURFACE IIT DC 2016 3. The other option in Rhino would be to reverse engineer the original mesh manually but this negates the use of the auto-surfacer and adds time. You can see at the image that the small triangles are too dense. Aug 2, 2019 · Hello everyone, I have Rhino and Grasshopper for Mac. Is there a way I can smooth the surfaces of this model? If you have highly intricate parametric geometry in Rhino, speed up your simulation by using the Mesh command in Rhino first to extract the mesh triangles. Is there a simple way to simplify a mesh? We would like to show you a description here but the site won’t allow us. Turn on control points (PointsOn) to adjust mesh polygons manually and – if desired – transform the geometry. 5 KB) Apr 19, 2022 · I would like to simplify many curves as the one shown below. Jun 15, 2024 · That’s a comically vague question from anyone who has ever actually used Rhino, I don’t know what the point of such a question could possibly be, but the “best” method is drawing a new curve by hand, the end. Apr 22, 2025 · I am new hobbiest trying to figure out a efficient reverse engineering work flow to make custom version of OEM parts for my race car. Is there a command or plug in to divide a surface into triangles or equal or near equal parameters? Thanks in advance Check our new tutorial and please let us know in comments what would you like us to show next! More videos on mesh modeling in Rhino and Grasshopper: • Understanding complex geometries in Grassh Nov 12, 2020 · This is a very interesting problem and has lots of applications in Architecture. Transform 10. Following that I tried cutting sections through the geometry to rebuild it, but i was only able to do it manually in Rhino. A group of curves will be If the same objects are made in Rhino as lightweight extrusion objects, these models are more responsive and consume less system memory. Right now it appears to be made out of several flat surfaces and nothing solid which makes the Make2D very messy and the 3D geometry hard to read. In the command options, notice that you are in Extrude mode. The ToNURBS command converts mesh objects and SubD objects/edges to NURBS surfaces or curves. So far, if Mesh. Oct 24, 2017 · The Smooth command evens out the spacing of selected control points in small increments. 7. Is there anyway I can convert it to a close mesh? Here is some detial of the mesh: mesh ID: 12bfb5a7-81df-46b8-a138-e2b5784c2e (13) Layer name: Baby Body Render Material: source = from obj index = 2 Geometry: Valid mesh In This Video we will see how to get your model ready for exporting it into your slicer, from making your model a solid to decid wich format to use. This simplifies the number of objects Rhino needs to keep track of and makes the display faster. The model in teh middle looks like the original . Meaning many buildings are involved. The presets can be accessed from different meshing dialog boxes, such as Document mesh properties, custom mesh in object properties, Mesh command, mesh file format export, and surface analysis commands. I tried everything I could see on reddit or elsewhere on internet, nothing changes. The number of quadrangles per surface in the initial mesh grid. I can’t find how I did this, and would love to know if anyone could help me out with this process. 3 MB) that has a lot of faces (800+) and edges (1200+). The Reduce Mesh command allows you to reduce the polygon density of a mesh object, simplifying its structure. 260×629 8. Hi, I have a surface that has a million of control points and I am struggling to find a way to smooth that surface and drastically reduce the amount of control points. I attached an exampleMesh. For example, a SubD object is converted to Nurbs (consisting of 60 surfaces). Rhino can’t right handle complex NURBS data, meshes works much Rhino: “Reduce mesh” from high polygon mesh models Empfehlen Link Download 3d models from 3d warehouse for free Close/open videochapter Oct 13, 2019 · I’m working on a project and a lot of you have been very helpful. A higher number will result in a higher ‘resolution’ but also more complex fabrication and assembly. For example, when Point count=4 and Degree=3, reducing Point count also reduces Degree; increasing Degree also increases Point count. Nov 14, 2025 · Degree in Rhino can be up to 11. Mar 23, 2025 · The Mesh command creates a polygon mesh from a NURBS surface, polysurface, or SubD. Reduce methodthreaded Type: System. reducing the number of strips of mesh in one direction? (given that the mesh is nicely aligned and made up of strips of quad meshes). 55K subscribers Subscribed Apr 18, 2025 · Hi everyone, I’ve been working with Rhino’s ShrinkWrap command recently. Unlike other geometry types, SubD combines free-form accuracy while still allowing quick editing. but nothing seems to give me the result I'm after Reduce the face count of a mesh to a target amount (look at Rhino command line to see progress % of operation). This allows you to stay in single Perspective view while modeling. Surfaces 12. Reference Surface and Target both have to be Nurbs. Most of cases a convertion to lines and arcs would be enough. Meshes whose edges are shared by more than two faces (non-manifold) may result. I want to refine both of them but not with the same amount of definition. If these polylines are overly complex, divide them into manageable points and use these points as input for the Patch command. Oct 25, 2020 · subd, rhino7 simon_falze October 25, 2020, 3:27pm 1 Is it possible to simplify the Quads on the SubD that i generated (grey one) out of a mesh and make it look more like the green one (credit to @martinsiegrist). Also turn off mesh wires in the display mode of course. With the right mesh topology plugin, you can take your Grasshopper skills to the next level and create intricate, customized meshes for architectural projects, product design, and more. Oct 31, 2023 · Is there any way I can reduce or simplify these lines? Judging by that image, you are dealing with a mesh object and you might have had a NURBS version at some point in the past. Run the PushPull command: You are prompted to select a surface. I’m doing some minor adjustments on the surfaces seen on the attached screenshot. skp (1. Link to Select SubD toolbar. Meshes in Rhino consist of triangles and quadrilaterals. Jan 23, 2023 · Hello, I have geometry data that is an open mesh. Basically what i am trying to achieve is to get only the bounding polygon that makes up the mesh, to get rid of the extra points as seen on the image. Reduce mesh polygons to simplify. It may help some if you can simplify that link by remodelling it. Jun 25, 2019 · Rhino for Windows 2 1737 June 7, 2015 Sketchup to rhino Rhino for Windows 1 544 August 27, 2018 Quadish Meshes Rhino for Windows 1 704 March 22, 2014 Simplify imported mesh Rhino for Windows 3 19753 January 28, 2014 Learn how to close, clean and repair a mesh using ShrinkWrap Mar 6, 2023 · 5 689 June 17, 2018 Creating a closed polysurface for 3D printing Rhino for Mac polysurface 4 3178 January 5, 2016 Simplify imported mesh Rhino for Windows 3 19766 January 28, 2014 How to close a polysurface to 3D print Rhino for Windows 2 1627 November 21, 2014 Issues Exporting Polysurface as STP for CNC Rhino for Windows export , iges , cnc Rhino 8 adds new features to make modeling more playful and accessible. In this Rhino 3D tutorial, I would like to discuss how to reduce 3dm and mesh file size, so it is easier to send the file by email or save you some hard driv The ToNURBS command converts mesh objects and SubD objects/edges to NURBS surfaces or curves. Aug 22, 2019 · Hello, I am a newbie, and I am trying to to convert a mesh to a few surfaces or solid, instead of that I am getting an useless polysurface. Understanding Rhino's mesh settings is important to getting the most out of Rhino. This video tutorial goes through the steps to create detailed terrain models from contour lines in Rhino and Grasshopper. I’m not very good at grasshopper so i tried to find a resolution in this Forum, bu… Apr 15, 2021 · Hi, I know this has been asked in the past, but Is it possible to reduce the number of SubD faces ? Similar to the old "Rebuild " command for surfaces ? May 31, 2023 · Hi, What are some good strategies to simplify a mesh. Mesh If your 3d model was carefully built in Rhino3D using NURBS geometry, the first step in preparing a print file is to convert the model into a mesh using the “mesh” command. My purpose for Please do subscribe to my channel / consider saying thanks ( "thanks" button next to like/dislike) or become a member ( "join" button) to get extra perks! Nov 14, 2025 · Edit existing mesh objects. ) The mesh was crreated in grasshopper and I've tried a variety of things including Weaverbird ect. This may be undesirable in some cases. I mean, what do you mean by thinking you can cage edit polysurfaces without increasing complexity? That’s the opposite of Apr 11, 2024 · Rhino still has a ways to go in form of growth in the direction of direct mesh tools etc. The ultimate goal of this exercise is to be able to manipulate the landform into a different shape. NURBS (non-uniform rational bsplines) volumes are usually Nov 14, 2025 · Switches the dialog box to the detailed meshing settings. After the initial grid is made, Rhino meshes all trim edges, connects the initial grid to the trim edges and then refines the mesh if the Refine mesh option is selected. Boolean If True then will run computation inside a worker thread and ignore any provided CancellationTokens and ProgressReporters. #mufasucad #r Rebuild Reconstructs selected curves or surfaces to a specified degree specified and number of control points. Download and open the PushPull-Demo. To rebuild curves Click Preview to see what the rebuilt curves will look like. Rhino is exporting a good mesh but your exporting a bunch of them and they are overlapping. Follow these steps to get your geometry simplified and exported. In the Command Options, change the Mode Jul 29, 2025 · Explore how Rhino 9’s new features like Instant Aliases and the Fence trim option streamline curve editing, improving workflows started in Rhino 8. On mesh objects use the Weld command before smoothing in order to prevent the mesh from pulling apart. 3dm model. Rhino 8 adds new features to make modeling more playful and accessible. Smooth out your mesh models for a polished and professional look on your designs. Detailed Mesh Options Mesh quality presets Lists the default and custom mesh settings. I’m trying to figure out an efficient workflow for this as I know how to do it manually but want to avoid as much mindless work as possible. This operation can reduce the file size and shorten processing time while having a minimal effect on the shape of the polygons/polylines themselves. Check the appearance of the geometry. At the moment ive got the frame of my "building" and I want to create a facade around it similar to the picture below (without the slats. I have been scanning the reference part and the scan data outputs with a ridiculous amount of facets that I can’t easily convert into a solid body for modeling. Since a few days i’m trying to transform a surface into a regular triangle mesh. Notes Turn on control points and curvature graph to see the details of the curve structure. I’d also like to have the line work to rebuild the roads to fix them. I’ve found the ReduceMesh tool to be both powerful and efficient; however, it seems to Jun 5, 2015 · Hello everyone, I have this complex geometry dress that I have downloaded, and I need to turn it into a much simpler geometry. It is defined only by a profile curve and a length. 11281 to take in a CAD model and prepare it for use in the Unity game engine. Learn how to smooth a mesh in Rhino with these step-by-step instructions. This video gives you tricks to convert the complicated mesh objects into simplified smooth surface in grasshopper. Can this be done in polygonal meshes? manipulating Mar 26, 2020 · Is there a command in the Rhino 7 Wip that allows you to simplify (decrease the number of surfaces generated without changing the starting shape) a Nurbs object after it has been converted from SubD to Nurbs? (ToNurbs). If a mesh is generated from a solid, the mesh will be seamless Feb 28, 2025 · 177K polygons isn’t remotely “incredibly complex” for a render mesh–that’s not your polysurface, that’s just its render mesh–so the problem is probably actually that you’ve done too much cage-editing to your model and it has actually become insanely dense. In Grasshopper, the Merge Faces component requires a (poly-)surface as input. Dec 8, 2020 · A command to reduce globally the number of faces in a SubD object would be great IMHO This would greatly simplify the task of reducing the number of faces that at the moment implies eliminating edges manually Maybe th… Nov 14, 2025 · Rhino must evaluate each curve to determine if it is a simple entity. I want to close the mesh, simplify the geometry as much as possible and then convert to a polysurface (in any order. Use ReduceMesh to adjust the amount of polygons. Rhino creates triangles and quadrilaterals meshes for exporting to various file formats. Nov 15, 2020 · If Mesh-Data is also valid for your purpose, try _flowAlongSrf with an input Mesh. If a curve is within simplify tolerance of an arc, line, circle, or ellipse, it will be exported as such. Dec 18, 2020 · This is really interesting, we have many projects with huge pointclouds ( landscape parts, 2 km X 2 km) we currently use a combination of different SW Meshlab, cloud compare…) to correct, simplify and mesh the original ´data sets to be usable in Rhino and other CAD packages. You can simplify the model by using extruded geometry or use SubD or Mesh modeling to produce cleaner organic shapes. Please help, Thanks a lot! PangolinMesh is a render mesh Polygroup plug-in for Rhino. Apr 18, 2014 · For a faster display - disable all isocurves. This command converts your complex curves into simple arcs to reduce the number of points. Aug 25, 2021 · Hi! I have a mesh with bigger and smaller triangular faces. I create a pointcloud with my Microscribe in Rhino. This can be a lengthy process, but you need to make sure these are all closed polylines that outline the boundary of your site. Image 2: The translucent purple mesh is a result I created using Jun 9, 2025 · Converting mesh geometry into solid NURBS geometry in Rhino 3D can significantly enhance the precision, editability, and downstream usability of your models. Jan 8, 2015 · If you start rebuilding to lesser densities in Rhino, you’ll have a lot of matching to do. This made it easier to work around the object without all of the complex geometry. Oct 26, 2011 · Hi, During conversion surfaces to mesh some of them are created by many faces (more than 2). "reduce mesh polygon count" but do someone have an idea how Jun 2, 2025 · I have some imported road meshes that are kind of messy and I want to extract their edges, trim and join them, and then patch between to edges to get the site topography. The tangency finder is interesting. There are two methods for simplifying polygons/polylines: by the maximum deviation or by the minimum distance. For example, Extrusion object is one of the simple object types. The main difference between a NURBS surface and a mesh is that the former is defined by curve functions rather than simple planar polygons. Hello, I am very new to rhino, and for an architectural project at school I downloaded json that converted are like in the image joined. NURBS (non-uniform rational bsplines) volumes are usually Aug 14, 2016 · I have a bunch of 3D mesh/shapes that I would like to simpli8fy. Sep 26, 2017 · Dear All, I have a problem converting complex open mesh to close mesh. Nov 14, 2025 · Switches the dialog box to the detailed meshing settings. Nonmanifold meshes (meshes whose edges are shared by more than two faces) may produce undesirable results in some cases. What is the actual problem ? What data input do you have and what outcome is desired ? How to fix almost any surfaces As a 3D modeling guru, there was not so many things to do. It was just good enough for students to send a finished 3D file to TA. For an accurate simulation, thousands triangles are not necessary. A good clean model gor 3d printing wont be set up like that. 22 KB What is the best approach to do it? Since there are a huge number of curves that i will need to simplify i would like to know if anyone knows of an efficient way. The ReduceMesh command decreases the polygon mesh face count while minimizing geometric and texture distortion. This process enables precise modeling and editing capabilities that are otherwise limited with mesh objects. Steps: Select the curves or surfaces. As there seems to be a large number of faces and edges, is there a way to Mar 30, 2017 · Hi Everyone, I'm looking for a way to simplify a mesh so that the amount of faces are sigificantly reduced. ijcze kcvxnc lbbvd vmnker aln chsum gexhg lja stkt pua dfshi plom vej erfkgwn jquuk