For those who have a Facebook account...

Facebook now also allows to post your 3D models in your or groups postings.

I tried it a couple of days ago with the Blender add-on and then you simple drag and drop the exported
file into a Facebook posting.

https://mashable.com/2018/02/21/facebook-supports-new-3d-format/#SgVVkjwpkOqd

Regards
Stefan