Geometry

Geometry represents the shape of models as vertices, indices, and attributes (normals, tangents, UVs, colors).

How it works

• Triangle meshes are most common for interchange; quads/ngons are triangulated.
• Attributes can be per-vertex or per-corner; formats differ (watch for splits at UV seams).
• Precision: 16/32-bit indices, 16/32-bit floats; CAD often converts to tessellated meshes.

Use cases

• Real-time assets for engines
• Visualization of CAD/BIM via tessellation
• Level geometry and modular kits

Interoperability notes

• Preserve scale and units; apply transforms/freeze as needed before export.
• Weld thresholds and smoothing groups can change vertex counts/normals.
• Validate winding order and up-axis; many formats carry axis metadata.