Converting Mesh to Solid

[fred_dot_u]

I was able to import the mesh into Fusion 360, but the conversion process warned that there were too many facets. The attempt was made anyway, but the program crashed. Bringing the mesh into Meshmixer crashed a few times during the mesh reduction process, but I was eventually able to reduce the mesh by/to fifty percent.

Even though it was reduced, Fusion 360 warned me again, but did not crash. The conversion took a long time in computer terms, but eventually completed.

You requested STEP and the attached file is the zipped version of the STEP result, as the forum does not support .step files for attachments.

I hope this works for you.

If you run Windows, you can use Fusion 360 free and Meshmixer is free as well, should you require a similar task in the future.