Question 1

What mesh formats does 3D a CAD světlo support?

Accepted Answer

STL, OBJ and GLB/glTF — plus size, texture, material and animation inspectors.

Question 2

Can I optimize glTF locally?

Accepted Answer

Yes — glTF Transform prune/dedupe/weld/resample runs in the browser; download an optimized GLB.

Question 3

Is upload required?

Accepted Answer

Files are read locally in the browser for preview, analysis and physics — nothing is uploaded.