GLB Slimmer

Options

RecommendedSmooth shading and merged duplicate vertices. Looks the same for scans, which usually shrink to about a quarter; sharp-edged models may look slightly softer. Smallest for IRIXAlso halves the triangle count and lets IRIX compute shading. Some fine detail is lost. CustomChoose each step yourself.

Shading (normals) Smooth — rebuilt smooth shading. Needed for vertices to merge. Keep original — faceted scans stay faceted, but barely shrink. Leave out — smallest; IRIX computes shading itself, other viewers may show it dark.

Geometry Merge duplicate vertices — no visible change. Reduce triangles — lossy; fine detail may soften.

Keep about of triangles Allowed shape change Keep open edges in place

Remove unused data Optimise vertex order — faster drawing, no visible change.

Textures Largest texture size

Advanced IRIX can't open these

These make much smaller files for other 3D viewers, but IRIX cannot open the result today.

Merge all parts into one mesh IRIX opens it, but parts can't be toggled Quantize (KHR_mesh_quantization) IRIX can't open Meshopt compression (EXT_meshopt_compression) IRIX can't open Draco compression (KHR_draco_mesh_compression) IRIX can't open Convert textures to WebP (EXT_texture_webp) IRIX can't open

Starting…

Result

	Before	After

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