Do I need a commercial license to sell 3D prints?
If the design is someone else's and you are selling the print, the usual answer is yes. This page covers what that usually means, and where it depends on the license you bought.
On this page
The short version
Downloading a model generally gives you the file, not the right to sell what you print from it. Designers typically treat those as separate permissions and grant the second only through a paid commercial license — often a monthly tier on Patreon, MakerWorld, Cults3D or Thangs. What any particular designer permits is set out in their own terms.
Where that permission is written down differs by platform. The license archive shows who grants the right to sell on each platform.
Two platforms catch sellers out most often. CGTrader’s default license does not cover selling printed copies, and on Patreon permission usually lasts only as long as the membership.
"Free to download" doesn't mean "free to sell prints of". Mixing the two up is a common way for sellers to get into trouble.
What a commercial license usually covers
- Selling physical prints you made from the file.
- Often a volume cap — a number of units, or a revenue ceiling, above which a different tier applies.
- Usually a credit requirement: the designer named in your listing.
What it almost never covers:
- Redistributing the file itself. Selling or sharing the STL is a different thing entirely, and is rarely permitted at any tier.
- Derivative designs — remixing the model and selling that — unless the license says so explicitly.
- Continuing to sell after the license lapses. See what happens when a license lapses.
The bit people get wrong
A commercial license is often a subscription, not a purchase. If so, you are paying for permission month by month rather than buying it once — and on many terms, canceling the Patreon stops the permission with it, including for listings that are already live. Whether yours works that way is a question for your license.
This catches people out because nothing looks any different. Your listing stays up, your stock is still on the shelf, and the only thing that changed was a date nobody was watching.
What to keep
If a designer or a marketplace ever asks, you want to be able to show:
- Proof of purchase — the receipt, invoice or order screenshot, with the date.
- The terms as they were when you agreed them. Designers update their terms; what matters in a dispute is what was on the page the day you bought. A screenshot or a copy of the text is enough.
- The renewal date, and evidence you have kept renewing.
- Which of your products depend on which license.
Keeping those four things together is a filing job, and it is what MakerProof is for. It stores those four things together and reminds you before a renewal date passes.
What we cannot tell you
Whether a particular license covers a particular sale. That depends on the designer's terms, the platform's rules and your local law, and it is a question for you, the designer, and the platform you sell on. MakerProof records what you enter and shows you the dates. It does not verify licenses, and a record in it is not a defense.
The best advice is the dull kind: read the license, keep the receipt, and put the renewal date somewhere you can't miss it.
Keeping track of it
MakerProof holds your licenses, their proof documents and their renewal dates in one place, and emails you before one lapses. Free for up to three licenses, no card required.