Issues

• export_3MF: optional metadata argument for core 3MF metadata

  mikedh/trimesh#2639 · Filter by author jorgehermo9 opened on Oct 22, 2026
  2

• KeyError: 'visual' when merging glTF primitives with skip_materials=True (breaks multi-color STEP via load_step)

  mikedh/trimesh#2636 · Filter by author alex-all3dp opened on Oct 21, 2026

• The quickstart example in the README.md causes a crash due to the used GLB file, when memory size is low

  mikedh/trimesh#2626 · Filter by author Physis21 opened on Oct 13, 2026

• Feature request: opt-in export diagnostics for unsupported mesh attributes

  mikedh/trimesh#2622 · Filter by author billtruong003 opened on Oct 7, 2026

• Primitive.copy resets non-default mesh resolution and mid-plane settings

  mikedh/trimesh#2613 · Filter by author wuyuze713 opened on Oct 1, 2026

• Readme.md ## Quick Start example needs an extra line of code.

  mikedh/trimesh#2607 · Filter by author nicholasferguson opened on Sep 21, 2026
  1

• Support loading native SketchUp (.skp) files

  mikedh/trimesh#2601 · Filter by author iamahsanmehmood opened on Sep 12, 2026

• Add new method for barycentric sampling?

  mikedh/trimesh#2594 · Filter by author JulianKnodt opened on Aug 20, 2026
  4

• Centroid of a 2D mesh section

  mikedh/trimesh#2582 · Filter by author mrrezaie opened on Jul 24, 2026

• Removing inner faces from a mesh

  mikedh/trimesh#2566 · Filter by author eyegotthis opened on Jun 19, 2026
  3

• Interactive point picker

  mikedh/trimesh#2562 · Filter by author mrrezaie opened on Jun 5, 2026

• The FCL C++ library within python-fcl appears to be unmaintained

  mikedh/trimesh#2542 · Filter by author tuckeyt opened on May 20, 2026
  1

• Add "good first issue" label and apply it to help new contributors

  mikedh/trimesh#2538 · Filter by author szobov opened on May 5, 2026

• Potential Bug: Custom OBJ renders incorrectly after loading with trimesh

  mikedh/trimesh#2537 · Filter by author Lrogic opened on May 4, 2026

• [Feature Request] Exporting PLY support for UVs

  mikedh/trimesh#2521 · Filter by author JulianKnodt opened on Mar 30, 2026
  2

• Earclipping issue

  mikedh/trimesh#2519 · Filter by author Blossomical opened on Mar 27, 2026
  3

• Support for 3mf color and material properties(Official 3mf specification).

  mikedh/trimesh#2517 · Filter by author Nexusnui opened on Mar 19, 2026

• Is there a plan to release the package under standard Ubuntu packages?

  mikedh/trimesh#2496 · Filter by author saikishor opened on Dec 23, 2025

• Feature Request: Add first-class support for vertex_tangents to support normal mapping in GLB exports

  mikedh/trimesh#2494 · Filter by author greenbrettmichael opened on Dec 19, 2025

• import trimesh takes 5 seconds on Windows

  mikedh/trimesh#2478 · Filter by author JP01 opened on Nov 7, 2025
  4

• Transparency / Alpha in face_color not applied in Notebook-Viewer

  mikedh/trimesh#2477 · Filter by author dannybusch opened on Oct 24, 2025
  1

• Strange entity generation in mesh.section()

  mikedh/trimesh#2467 · Filter by author SantiagoPendon opened on Sep 26, 2025

• Can't load file and permission denied

  mikedh/trimesh#2459 · Filter by author microshark2024 opened on Sep 14, 2025
  7

• Ignore collisions between specific objects with CollisionManager

  mikedh/trimesh#2454 · Filter by author jstmn opened on Sep 10, 2025

• Documentation clarification

  mikedh/trimesh#2452 · Filter by author karimknaebel opened on Sep 4, 2025