This is a feature suggestion: it would be nice if FreeCAD would be able to import PRC files in the same way it imports STEP files, with nested parts, etc.
Maybe one could reuse this code to implement it: https://github.com/XenonofArcticus/libPRC
This would be a nice feature, as it would allow viewing 3D PDFs in Linux without having to open AdobePDF in Wine/VirtualBox or workarounds like that.
The PRC standard:
https://web.archive.org/web/20091123055 ... PRC-WD.pdf
https://forum.freecadweb.org/viewtopic. ... 4&start=10
https://forum.freecadweb.org/viewtopic. ... 97#p144546