OCCToX3D https://notebooks.gesis.org/binder/v2/gh/andreasplesch/OCCtoX3D/conda2?urlpath=lab https://notebooks.gesis.org/binder/v2/gh/andreasplesch/OCCtoX3D/conda2 convert OCC (step, iges, stl ..) to X3D see https://github.com/andreasplesch/OCCToX3D/wiki POC