GLB vs STL: which 3D file do you need?
Use STL to 3D print and GLB to display a model with colours and textures on the web, in AR or in a game engine. STL holds shape only; GLB also holds materials and textures.
STL
A mesh of triangles with no colour. It is the standard input for slicers. Millimetres are the usual unit.
GLB
A single binary glTF file with geometry, materials and textures. It opens in browsers, many 3D viewers, AR apps and game engines.
Both
Every model we sell comes as both so you can print it and also show it. 4K masters carry a 4096 px texture in the GLB.
Questions
Can I print a GLB?
Convert or export it to STL in a 3D application first. Our models already include an STL.
Does STL keep colours?
No. For multi-colour prints use separate parts or a colour-capable format your slicer supports.
Updated November 13, 2026. Prices and competitor terms change; check their sites.