sketchfab.com
In short: Getting listed on Sketchfab is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.
Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.
Upload only content you own or can license; descriptions should explain the model rather than serve as link ads, and UGC links may be nofollow.
Open the submission page on sketchfab.com and complete its form — that is the "Open submit page" link at the top of this page.
Upload only content you own or can license; descriptions should explain the model rather than serve as link ads, and UGC links may be nofollow.
Priority sets the band — this one is medium. Cost (free) and effort (quick) move it within that band, which puts it in the useful tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.