not that the STEP import in CB is not totally finished ; BSpline and surfaces can cause problems ; maybe SW use another object description than FC. (solid objects instead surface objects ?)
Yes this is what I found and I don't think it will change anytime soon.
I had a look at the NIST website (the people who look after the cadfile formats) and downloaded their analyser for step/stp file formats.
Turns out it's a tin of worms really, I did get the files to successfully load, the settings are in the pic's. plus you need to save the file as a .stp not step and have the checkbox "write out curves in parametric space unchecked".
I was surprised that they also had a Freecad project with files you could download.
Here is a list for the Application protocols for those interested.
• AP203 – Configuration Controlled 3D Design of Mechanical Parts and Assemblies [8]
• AP209 – Multidisciplinary Analysis and Design [9, 10]
• AP210 – Electronic Assembly Interconnect and Packaging Design [11]
• AP214 – Automotive Design [12]
• AP238 – Integrated CNC Schema [13, 14]
• AP239 – Product Life Cycle Support (PLCS) [15, 16]
• AP242 – Managed Model Based 3D Engineering [17-19]
Good work Eddy, I've been using .stl's but now can import .stp files (with certain limitations).
Dave