Trimesh export tutorial github. obj') with open(obj_path, 'w') as f: f.
● Trimesh export tutorial github py at main · mikedh/trimesh A Python library which uses OpenCASCADE to convert STEP files to a GLB file which can quickly be loaded by trimesh and other libraries. Traceback (most recent call last): File "stl_conversion. viewer to show texture; Update trimesh. scale * (np. You switched accounts on another tab Trimesh is a pure Python 3. You signed in with another tab or window. If not please direct me to the right place. A manifold mesh is a mesh that represents a solid object, and so is very important in manufacturing, CAD, structural analysis, etc. stl. lamb : float Controls shrinkage, range is 0. The extensions json data has to be set at the top level of the GLTF object: https://github. obj file) And from the model I get a list I loaded a mesh and scaled it using trimesh library by the following codes: import trimesh. py But it is actually not in the _mesh_exporters (export. io. ply file using the ascii encoding. sample_surface_even() function to get some points on the surface, turn the resulting points back into a mesh and save them back as an . Scene(len(geometry)=3)>; other as <trimesh. Contribute to wanweiwei07/pyhiro development by creating an account on GitHub. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib Trimesh obj material export bug. glb file with: mesh = trimesh. # Alternatively, we can use the `export` helper function to export the mesh as obj. load_mesh(p, process=False) # vertices should be same shape and order #assert np. ply', encoding='ascii') But this line only save the coordi I am trying to deploy this AI model called TripoSR and they use trimesh to generate 3D models from images. For example, if I were to set mesh. parent. Hi, The boolean union in blender used to work for me but not anymore. Now you explained me the Hey, so STEP files are a boundary representation format rather than a mesh format, and trimesh doesn't have support for exporting (importing just requires tesselation and is supported). kind property equals vertex. poses. Is there any function in trimesh to write or export a trimesh. Trimesh Mesh to be smoothed in place. export( p ) y = trimesh. The goal of the library is to provide a full featured and well tested Trimesh object which allows for easy manipulation and analysis, in the style of the Polygon object in the Trimesh is a pure Python 3. set_camera successfully sets the position of the camera when displayed using pyglet, but has no impact on the camera position in notebook. I was trying to export some GLTF lights along with a scene, as a gltf/glb. Export a mesh as a dictionary, with data encoded to base64. When I use trimesh. material=my_material). Export a Scene object as a dict. Returns:. This must be called explicitly rather than automatically from trimesh. vertices [vmapping], indices, uvs) # Both `xatlas. I saw another similar issue The Visualization and Computer Graphics Library (VCG) fork of - cdcseacave/VCG Hey, the exporter in this instance needs a trimesh. allclose(sc Python version 3. Here is my code: meshes = [0 for i in range(NOL-1)] for i in range (NOL-1): meshes[i] = trimesh. Vollmer, R. os. expo Hi! I am trying to dump a mesh with vertex_colors to an obj file. Open the "mesh_library_source. export_obj( m, include_texture=True) with g. m = g. I can't figure out what the problem is. I can visualize the mesh with color using mesh. join(path, 'test. Export a Trimesh object to a file- like object, or to a filename. The goal of the library is to provide a full featured and well tested Trimesh object which allows for easy manipulation and analysis, in the style of the Polygon object in the Shapely library. Convert a Trimesh object into a URDF package for physics simulation. . Trimesh) – Mesh to be exported. In [1]: mesh_list = trimesh. Thank you Contribute to YulioTech/trimesh development by creating an account on GitHub. allclose(x. show(), but when i export as a GLB no texture appears on the model. - trimesh/trimesh/util. If I get a chance I'll take a look at doing it, but if you're feeling energetic and want to PR here's the punch list for supporting it: The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib I'm not sure if there is enough information stored with a mesh's vertex_attributes, but I'd like to include that data in a GLTF export. GitHub Gist: instantly share code, notes, and snippets. mtl')) results in the following traceback. Hi, i want to load a mesh file (. I've seen MR opened that mention texture coordinates so I guess it's just undocumented. rs and can be run with Python library for loading and using triangular meshes. This is what Meshlab shows when I run "select self intersecting Hey, yeah it's possible the scene instances aren't translating correctly. Parameters:. I created a . load_mesh('smoothed. glb file to a . Mencl, and H. How can I export the GLB of these subtrees based off the GLTF hierarchies? I figured out how to get the subnodes of a node using trimesh, but exporting it is proving difficult. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. apply_scale(mesh1,1. export module¶ trimesh. I reported it to them too, but I think it best if both sides fix it. resolvers. trimesh. 1) But I have no idea how to save mesh2 as an stl file I have tried some codes of this library such as: trimesh. ply') Using the loader directly is probably not what you want as they are designed to be separable (i. with_suffix('. blenderproc download haven <output_dir>: Great question! I'm loading the mesh w/ the as_mesh helper function given in #507, since the models I'm using (from the ShapeNet dataset) can contain multiple sub-meshes, which typically will load as a trimesh. is_convex dots = np. face_colors = [0. obj objects (name: value of the attribute) when exporting a trimesh? If not, can you give me a hint, if it would be hard to implement by myself in trimesh? Than Hello, I noticed that when I export a mesh using: mesh_var. The goal is to produce wheels that don't require users to build OpenCASCADE themselves. Please mark this as resolved! One extra note, it would be great if trimesh could 'export' or format to PostGIS polyhedral format, I'm having trouble finding a solution. 6. Place everything back in a logical manner (easiest to skin/texture) inside the border area of the Edit UVW window, and scale, rotate, flip ect. shape=(24, 3), faces. as well as how cyclic dependencies work (because trimesh also depends on python scripts to control the hiro/nxo. triangles_center, mesh. export("path") the file size is smaller than when I use: file_obj = trimesh. This tutorial walks through a quick solution to convert vertex Saved searches Use saved searches to filter your results more quickly import trimesh import numpy as np import pickle # helper function to check whether center mass is inside the mesh # same check is used in trimesh. Are there any options to conserve color during the process? The code I am using now is: export = trimesh. Python library for loading and using triangular meshes. ply for textures; Update trimesh. My problem is, that i dont know how to turn the samples back into a mesh that can be saved. Building a mesh; Getting element and connection counts on a mesh with num_* functions; Accessing various indices associated with a mesh; Inserting attribute data on mesh vertices; Saving and loading a mesh to and from a file. Box()) scene. 5] scene. 8. 5+) library for loading and using triangular meshes with an emphasis on watertight surfaces. load_mesh to load in files of different types and export them to stl. g. I want to create a GeoJSON from all of the facets, so I can create a terrain file to show in CesiumJS. png as the file name for the texture. "`trimesh. urdf file. import trimesh: scene = trimesh. I saw another similar issue that makes it seem as if this has b Saved searches Use saved searches to filter your results more quickly Primarily mesh-plane intersections (slicing You signed in with another tab or window. interfaces. points_to_barycentric. util. path. If you don't need any physics in You signed in with another tab or window. parametrize` and `xatlas. As a minimal case: import trimesh scene = trimesh. Already have an account? Sign in to comment. If you pass export a filename it is supposed to automatically create the resolver (although this exposed another bug, which I just opened a fix for): Sign up for free to join this conversation on The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib :ref:`Convex collision shapes <class_ConvexPolygonShape3D>` are a compromise between primitive collision shapes and concave collision shapes. obj file. TemporaryDirectory() as path: # where is the OBJ file going to be saved obj_path = g. compute_stable_poses def center_mass_inside(mesh): assert mesh. After I export the obj from Blender and then load in Trimesh, Some obj are imported as: Scene <trimesh. Then, I added the resulting meshes to an empty scene (my_scene. blenderproc download blenderkit <output_dir>: Downloads materials and models from blenderkit blenderproc download cc_textures <output_dir>: Downloads textures from cc0textures. show() the mesh is displayed correctly. Hey, I think you just want: trimesh. export_ In this short tutorial we have covered. obj", mesh. add_geometry(my_mesh)). Could any one help me pointing out one. repair mesh = trimesh. include_normals (Optional[bool]) – Include vertex normals in export. obj') # export the mesh including data obj, data = g. I want to export the entire transform tree under a specific node. GLTF has the following extensio You signed in with another tab or window. add_geometry(mesh) I am calling export here: glb = trimesh. face_normals) return np. export(file_obj=glb_path, file_type='None') It says I must specify a file type "ie 'dict', 'dict64', 'stl". py", line 27, And here's the result in blender: and paint3d. sample. is_watertight reports the loaded mesh as non-watertight. I have a basic alternative solution using the trimesh library. gltf. 0/lambda - 1. 0/nu < 0. mesh1 = trimesh. expor I know from #1 how to export as a ply file, however I have had no luck at exporting any textures. The code in this tutorial is available in examples/tutorial. obj), then want to use the trimesh. The goal of the library is to provide a full featured and well tested Trimesh object which allows for easy manipulation '%s exporter not available!' Baseline for SD. load mission statement is "take anything and return geometry. " Other quick points: ok, now it worked, I restarted my computer, may be there was a glitch in the install, sorry for troubling you. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib x. scene. The different example live in different branches, which right now are: Python library for loading and using triangular meshes. I want to use webp as the texture format for my 3D models, since they will be displayed on the web and so it's vital for the texture size to be as small as possible. My goal is to load a . If None will only be included if vertex Learn more about how to use trimesh, based on trimesh code examples created from the most popular ways it is used in public projects Is there any function in trimesh to write or export a trimesh. 0 nu : float Controls dilation, range is 0. The API is mostly stable, but this should not be relied on and is not Hello community, i have a Trimesh object trimesh_mesh = trimesh. export` also accept vertex normals You signed in with another tab or window. When I load the . Saved searches Use saved searches to filter your results more quickly Saved searches Use saved searches to filter your results more quickly Currently this breaks Prusa Slicer. - mikedh/trimesh You signed in with another tab or window. obj file but loses the vertex color with the saved ,obj file. The goal of the library is to provide a full featured and well tested Trimesh object which allows for easy manipulation and analysis, in the style of the Polygon object in the Shapely A tutorial for handling camera transformations in Trimesh - AstitvaSri/Trimesh_camera_setup Hi there, Is there an easy way to export point cloud? I found there existed some support in the point cloud class. glb, as you suggest Hello, Is it possible to export a Scene from STL to an SVG file? I have checked the documentation but I cannot find how to do that. attach_to_log() and see if it's printing any errors? If you can find a smaller open-license model we could add to tests that reproduces that would be helpful too! Thank you for the great library. creation. I can see the value of simplifying the scene graph, but if a user wishes to do so, they can create a new The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib The function export_binvox calculates scale as follows: scale = voxel. my_material=trimesh. com. export_stl(mesh_var) requests. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Solidworks does let you import a mesh as a solid, and then export as a STEP, but it is a very low quality result, as it is defining an analytical surface for I want to export various objects in a GLTF as their own GLTFs. merge is 1e-8, so vertices closer than that are merged anyway. primitives. export_dict (mesh, encoding = None) ¶ Export a mesh to a dict. 10 Trimesh version 3. I checked to see that the new_mesh. Scene() # plane: plane = trimesh. Trimesh is a pure Python 3. Also, if I export everything as . Trimesh object to a file of the desired format, and trimesh will automatically leverage the 'meshio' package if the desired file type is Mesh conversion with trimesh. set_camer Saved searches Use saved searches to filter your results more quickly Hi, I am trying to save a textured OBJ file as a GLB. Right now we're only interested in converting . vertices, y. Scene(geometry=mesh, camera=None) my_scene. obj mesh file using las2tin, from a colored las file. lighting I'm using trimesh. However, it would appear that Trimesh loads each mesh the same which appears to be -z-up, +y-right, +x-forward. Hi @mikedh Given a mesh, and vertex indices corresponding to a part, I want to extract the submesh. For instance, a pyramid is convex, but a hollow box is concave. scene_to_html(scene) I tried also to add light before exporting but same result: light = trimesh. None of those are the formats I am looking for. You signed in with another tab or window. I create the scene thusly: my_scene = trimesh. For example: mesh. When I open a Blender Project, directly export the default cube as glTF and import it with trimesh. I'm using trimesh to convert a . center_mass - mesh. e. OFF is an ASCII format so it's only exporting to a certain number of digits, looks like 8. At the moment the scene graph is flattened, so intermediate nodes between world and each mesh are lost. I'm guessing the trimesh. It would be great to preserve the scene graph constructed in trimesh during export to glTF. as needed to fit every UV into the boarder. export_dict64 (mesh) ¶ Export a mesh as a dictionary, with data Contribute to dream3d-ai/trimesh development by creating an account on GitHub. load('map_mesh. And I have tried changing the vertex_color numbers to be in the range [0,1] and also tried with adding an Load a mesh at a remote URL into a local trimesh object. ply, it showed " 'PointCloud' object has no attribute 'visual'" Hi, I have been trying to export a textured mesh to . 3 Calling export_obj(mesh, return_texture=True, mtl_name=mesh_file. Contribute to aminya/trimesh-bug development by creating an account on GitHub. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib I do have an obj file representing the following geometry when I load this obj file with trimesh and export it again directly the mesh will have defects. And I was not sure whether this is the right spot to ask questions. image, and links to the trimesh topic page so that developers can more easily learn about it. 0 Nu shall be between 0. export – Data stored in dict. 22. 4+) library for loading and using triangular meshes with an emphasis on watertight surfaces. You signed out in another tab or window. However, when I wanted to export my point cloud object as . I am trying to export several obj files in the same folder, but their texture and material files get overwritten as it seems that the obj export always uses material0. I tested two ways to export this mesh t You signed in with another tab or window. It looks to me like the OBJ loader may not be correctly loading OBJ files that contain faces with more than 3 vertices (I haven't been able to verify this in the Hello, I have a mesh which I want export to . put(url, data=file_obj, headers={"Content-Type": "applicati To give some background, I have exported the same model three times only changing the orientation of the model. 7-3. obj. Export a snapshot of the current scene. the MTL/PNG). Does any attribute store transformation information? I see that apply_scale(), apply_transform(), apply_translation() are available but why aren't there scale, rotate and translate attributes? Baseline for SD. load_mesh to load an . Currently by just doing this snip of code: import trimesh import trimesh. Trimesh(vertices=vertices, faces=faces, vertex_normals=vertex_normals, validate=True) Which i export as gltf trimesh_scene = trimesh. Trimesh is a pure Python (2. wavefront to load texture; Eventually: Update trimesh. shape=(36, 3))> ; Why is this happening, should I export Since trimesh has the load function that can leverage the 'meshio' package automatically if the desired file type is not supported natively by trimesh. obj file, I get a list of mesh. A convention I've seen in some other repos is to have each task listed as their own github issue, and give them an easy medium hard label An example TriMesh and VboMesh project for Cinder 0. triangles. 5, 0. At this point, the material name was not How do I export a scene to a GLB file? when I look up scene. show() as expected, However, the obj file do not have color with it(nor mtl file generated), and the ply file do not correctly set transparency as expected visualzied by meshlab/Deep Exploration. That being said every 3MF file in that pumpkin loads some geometry for me and doesn't crash scene_to_html. Hi, thanks for your great work! I want to save the mesh as a ply file with some extra attributes, and I try to use the export methods in Trimesh. It seems that OBJ files are not correctly loaded in all cases. Reload to refresh your session. Also, if you have this same concern as me: vertices generated by marching cubes Hi all, I'm trying to save a transparent obj (transparency is set as part of face colors), but it looks like the obj saver only saves the first three numbers (i. vertex_attributes['_Custom C++ Documentation | TS Documentation | Algorithm Documentation | Blog Posts | Web Examples. mesh (trimesh. py at main · mikedh/trimesh Hello, Thanks so much for creating this awesome opensource library. array(voxel. As you can see, this scene has a :ref:`class_Node3D` node as its root, and a number of :ref:`class_MeshInstance3D` node children. add_geometry(plane) I am trying to save a textured OBJ file as a GLB. 01]) plane. Just to keep a record for others facing the problem. 0 < 1. concatenate call in that function might be causing the export issue. I created materials (e. TODO: scenes with textured meshes. load to ensure users don't accidentally make Trimesh constructor, eg: a = Trimesh(**mesh_kwargs) # OrderedDict which is populated from the header elements , is_ascii , image_name = _parse_header ( file_obj ) The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib To begin, you need a :ref:`class_MeshLibrary`, which is a collection of individual meshes that can be used in the gridmap. com Hello, When I export the scene to html file, it shows but it's too dark html = viewer. load(str(ROOT_PATH / mesh_names[idx])) for idx in range(len(mesh_names))] trimesh_objects = [] from copy Vertex colors are a straightforward way to add color information directly to a mesh's vertices. py#L308-317) Is there any reason for that? Because Hi, thank you very much for this great library. 1 iterations : int Number You signed in with another tab or window. The API is mostly stable, but this should not be relied on and is not Where is transformation data stored in trimesh? When I export plane from Blender (as gltf or glb) with and without transformations applied to it, vertices is always data in local space. I hope this is not a stupid question, as I am fairly new to both Trimesh and the glTF format. It would probably make sense to have a safety margin and make digits=10 in that exporter. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib prometheus python tutorials. PBRMaterial(name="material_name")) and assigned them to meshes (e. The texturing imports fine, i can see it using mesh. box(extents=[1, 1, 0. Trimesh object to a fil Articles "Improved Laplacian Smoothing of Noisy Surface Meshes" J. get_mesh('fuze. load(fp) # load mesh # mesh and other_mesh are same meshes with different ordering # ma If you reimplemented everything in an iterative manner (instead of vectorized) in cython you could probably get it to be equally performant with much less memory usage, but that is out of scope for trimesh and would be a huge amount of work. load_mesh(obj_path) # obj_path is the path to the 3D model (. ) Nice!! Yeah I think that makes total sense and happy to help! However, we are not sure how optional dependencies work in trimesh. encoding (str or None) – Such as ‘base64’. OBJ files. Is it possible to avoid that behavior with the existing code ? The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib I am attempting to create a GBL from scene from an STL. tscn" scene to see an example of how to set up the mesh library. st I don't really understand because the collada file format (. How can I export all of the Update trimesh. einsum("ij,ij->i", mesh. Simple example: You signed in with another tab or window. Scene. Contribute to MPEGGroup/trimesh development by creating an account on GitHub. Hey, you could try copying the material and then query for the nearest UV. ply file. The thinking was probably that trimesh. Hey, glad you're liking it! Currently msh doesn't have any importers/exporters in trimesh. 0 - 1. Contribute to liyuanjun/prometheus-python-tutorial development by creating an account on GitHub. shape) - 1) but then uses this calculated scale when checking for uniform scale if not util. xatlas. dae) seems to be in the code: export. Scene(geometry=trimesh_mesh) with open(g GitHub is where people build software. dict. Muller Parameters ----- mesh : trimesh. I referred to this issue. material. my_mesh. Curate this topic Add this topic to your repo To associate your repository with Hi, I have yet to find a solution and hope someone could help me out. Return type:. Manifold also supports arbitrary vertex properties Suppose I am doing domain randomization over a set of trimesh objects, with the following code: original_trimesh_objects = [trimesh. gmsh` is deprecated and will be removed January 2025!", "There are *many* gmsh options on PyPi: `scikit-gmsh` `gmsh` `pygmsh` `gmsh-sdk`,", "users should pick one of those and use it directly. 7+ library for loading and using triangular meshes with an emphasis on watertight surfaces. load`, including `process=False` if you would like # to preserve the original loaded data without merging vertices # STL files will be a soup of disconnected triangles without # merging vertices however and will not register as watertight trimesh. gltf for textures (bonus, then the Jupyter notebooks will magically show textures too) (Maybe) add a color -> texture bake function, and texture -> color; Does that sound sort of like what The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib Baseline for SD. obj') with open(obj_path, 'w') as f: f. Comparing this exported box with other "wildlife" OBJ files, it seems that other variants of OBJs storing face-normals under "vn" instead of vertex-normals. export('output. not the transparency). proximity. Skip to content. constants. Manifold is a geometry library dedicated to creating and operating on manifold triangle meshes. export_stl(mesh2) A tutorial for handling camera transformations in Trimesh - AstitvaSri/Trimesh_camera_setup The following image (adapted from the glTF concepts section) gives an overview of the top-level elements of the JSON part of a glTF asset: Image 2a: The glTF JSON structure These elements are summarized here quickly, to give an overview, with links to I tried to export a simple box created by trimesh. You switched accounts on another tab or window. One way of doing it is as follows: mesh = trimesh. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib # mesh objects can be loaded from a file name or from a buffer # you can pass any of the kwargs for the `Trimesh` constructor # to `trimesh. However, most applications prefer UV-mapped, textured meshes. This breaks the mesh into convex pieces and writes them to the same directory as the . You could also do a nicer thing using mesh. Assignees No one assigned Labels None yet Projects None yet Milestone No milestone Development You signed in with another tab or window. load() Trimesh's Trimesh. (PS should be more forgiving, Trimesh really should end the line properly. Export a mesh as a Wavefront OBJ file. Trimesh(vertices. This is vaguely related to #633, but seems like it will be a bigger project. py#L17 & dae. visual. I assign colors to the mesh using mesh. On the upside, the format is very well specified and looks pretty easy to implement. Hi again, is it possible to group triangles with the same face attribute in . write(obj) # save the MTL and You signed in with another tab or window. stl') mesh2 = trimesh. glb file into Trimesh so that it is +z-up, +y-forward, +x-right. all(dots < 0) m = You signed in with another tab or window. trimesh. So the base dependencies pulled in by pip install trimesh is just numpy, which lets you do most things you'd want, and adding bare trimesh as a dep here would be easy. Is there a 11) Identical parts you want mapped the same should be laid out on top of each other to save some room on the uvmap. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib Trimesh has a 3MF importer, it would be great to put together a test corpus of various small- ish models (specifically interesting would be multibody assemblies with duplication) from various exporters. Geometry. The VCGlib is a C++, templated, no dependency, library for manipulation, processing and cleaning of triangle meshes - cnr-isti-vclab/vcglib Primarily mesh-plane intersections (slicing I need to know whether there is any cloth simulation method to make a mesh into a cloth . They can represent shapes of any complexity, but with an important caveat. e take only file objects and return dicts with kwargs), where the trimesh. Also, If don't have any data yet, BlenderProc offers download functionality for many datasets and freely available assets via the blenderproc CLI:. The primary effort here is build and packaging using the wonderful work done recently on scikit-build-core and cibuildwheel. exchange. tol. vertices) Sign up for free to join this conversation on GitHub. load(glb_file, force="mesh") and preview it with mesh. Resolver to be passed so it is able to write additional files (i. This is based on the tutorial from Creative Networks, found here. It is doing a bunch of AI stuff before arriving to the code below in the TSR class. I'd maybe try running with trimesh. load(inPath, force='mesh', split_object=False, process=False) mesh. vertex_colors = vertex_colors then trying to export, I get the followin I cannot figure out from the doc or the Trimesh object properties how to extract for each vertice its texture coordinates. on_surface to find the closest on-surface point and triangle index, and then weight the three UV coordinates using barycentric coordinates from trimesh. As their name implies, an individual shape can only represent a convex shape. export. load_mesh('lower_hand_Mesh%d. - trimesh/trimesh/points. I couldn't find any information on this though. . This is often the way generative 3D models like InstantMesh produce meshes. box(extents=(2, 2, 2)) and noticed that the exported OBJ file contains face-normals that refer to the (averaged/calculated) vertex-normals of that face. export ("output. Scene(trimesh. kzbawyqcaminmfcuyawnpyjclgdfzqwdoqtfrrcevlntvukywmxpz