PrintWorthy

Where to Sell STL Files: 7 Marketplaces Compared

Fees, audience and the honest best pick for selling your 3D models.

You've designed a model worth selling — now where do you list it? Each platform trades off audience (do buyers already shop there?) against control and margin (how much you keep and own). Here's an honest rundown of the seven places makers actually sell STL files, and how to choose.

1. Your own storefront (Gumroad / Payhip)

Best for: keeping control, margin and the customer relationship. You get your own product pages and checkout, set any price, and own the buyer's email. The trade-off: you bring the traffic — there's no built-in marketplace crowd. Fees are a per-sale cut (no listing fees). This is the home base most serious sellers build around, then drive traffic to from content and social.

2. Etsy

Best for: built-in buyer traffic. Millions of people already shop Etsy for digital downloads, so discovery is real. The catch: a listing fee plus a sales commission, lots of competition, and you don't own the customer the way you do on your own store. Great as a second channel.

3. Cults3D

Best for: a dedicated 3D-printing audience. Cults3D is built specifically for STL files, so the people browsing already own printers and are looking to buy models. Takes a commission. One of the best marketplaces if you want maker-specific discovery without Etsy's general-store noise.

4. MakerWorld (Bambu Lab)

Best for: huge reach + a rewards/points system. MakerWorld has a very large, active audience and pays creators through points/contests. The catch: it leans toward the Bambu ecosystem and typically wants print profiles and real photos of your model printed — so it rewards polished, well-documented uploads, not just a raw STL.

5. Printables (Prusa)

Best for: community and contests. A strong, friendly community with regular contests and a rewards system. It's more oriented toward free sharing and prize/points income than direct paid sales, but it's excellent for building a following that you can funnel elsewhere.

6. Thingiverse

Best for: exposure, not income. Enormous traffic and brand recognition, but it's overwhelmingly a free model library with limited monetization. Useful for visibility and links back to your paid store — treat it as a top-of-funnel, not a revenue source.

7. CGTrader / TurboSquid

Best for: professional 3D models (more CGI than printing). These pay well for high-end 3D assets aimed at game/film/render use. If your work is print-focused functional models, they're usually not the right fit; if you do detailed art or assets, they're worth a look.

How to actually choose

New to the pricing and packaging side? Read how to sell STL files online and how to make money with a 3D printer.

Want to see a real, well-packaged STL product? Our Complete Parametric 3D Organization Bundle (14 functional models, STL + editable source, on a Gumroad storefront) is a working example of the "own your store" approach — study how it's bundled and presented, or just grab the files.
See the Bundle →

Bottom line: there's no single best marketplace — own a storefront for margin and control, then layer marketplaces on top for discovery. Sell where you keep the customer; advertise where the customers already are.

Read next: how to sell STL files online →