3D Viewer work

[Gerald Lasser]

Nevermind, you resubmitted the part with primitives removed.

I resubmitted it a few times, the last one (At Wed Jan 22 22:25:01 2020) only the subfile, rest is commented out.
- I see a proper pre-view picture
- I get the proper download
- BUT: the 3D View shows me the pattern in Firefox, Chrome on PC is OK, (Incognito tab in FF is OK)

Chrome on Mobile shows me also the old preview with the pattern and the crazy render
Chrome on Mobile in Incognito Tab (no cache) works fine (render and preview)

Trying two more uploads

EDIT:

Original file works also in my FF incognito mode, but no chance for a standard tab.