Every pair,
including the ones not built.

Twelve formats give 132 ordered pairs — 66 combinations, each convertible both ways. A blue cell is a page you can use right now; a grey cell is a reader or writer that does not exist yet. Nothing on this grid is a placeholder link.

12 × 12

Rows are the source, columns the target. The diagonal is the same format twice.

STLOBJPLY3MFGLBglTFFBXSTEPIGESDAE3DSAMF
STL·●●·········
OBJ●·●·········
PLY●●··········
3MF············
GLB············
glTF············
FBX············
STEP············
IGES············
DAE············
3DS············
AMF············

6 of 132 pairs live. The three live formats share one mesh engine, so every combination between them works in both directions.