@surabax Those graphics packages lasted a long time. I ported them to SGI and Franz ACL in the 90s when it was owned by Nichimen Graphics and the packages were called N-Geometry, N-Paint, etc. then they renamed the whole thing Mirai and it was used by one of the artists who left to work on Lord of the Rings. Larry Malone worked on Geometry from beginning to end.
@surabax correction (memory glitch), they were already running on Irix when I joined Nichimen, I ported them to OpenGL on Irix and then onto Windows NT which was the master plan. Btw, the same company made a separate modeler in C++ called Nendo which operated the same way (on the same winged-edge data structures) as Geometry as part of some deal we had with Sun and then later released on Windows, and that inspired someone to make an open source version in Erlang (of all things) called Wings which you can still use.