Author Security Is Our Religion
You create something beautiful and share it with the world. We make sure the world knows it's yours — forever. Not with policies. Not with promises. With cryptography.
Your work gets stolen. Everywhere.
A creator spends weeks modeling a detailed miniature. Posts it for $4. Within days, it appears on five other sites for free — no credit, no payment, no link back. Standard platforms offer a “report” button. We offer something stronger.
Without proof of authorship, DMCA takedowns stall. Without a verifiable fingerprint, “I made this first” is just a claim. We fix both.
These happen to real creators on major platforms every day.
Invisible. Unremovable. Legally Admissible.
When you publish a model on Proofly, we automatically embed a cryptographic watermark into the STL file's binary header before it ever reaches a buyer.
Embedded at upload
The PROOFLY_HM: code is written into the 80-byte STL binary header instantly when you publish. No action required.
Invisible in any viewer
The watermark sits in the file header — invisible in Blender, Cura, PrusaSlicer, and every other 3D tool. Buyers never see it.
Readable in 10 seconds
Upload any STL to /hiddenmark/verify and instantly see: who owns it, when it was published, and its original file hash.
Example mark (first 80 bytes of an STL binary header):
PROOFLY_HM:PF-42-7-a3c9f1
Format: PROOFLY_HM:PF-{item_id}-{user_id}-{hash} — links directly to the Proofly registry.
What Proofly Does For You
Automatic embed at every upload
Zero clicks required. Every published model gets HiddenMark™ as part of the publish flow.
Public verifier (open to anyone)
proofly.cz/hiddenmark/verify — anyone can upload an STL and see who made it. No account needed.
One-click DMCA certificate
A printable PDF with your name, upload date, file hash, and mark code — ready to attach to any DMCA notice.
Founding Creator status forever
The first 100 creators on Proofly get a permanent badge and search priority — a reward for believing in us early.
Marketplace auto-scanner (coming)(coming soon)
Proofly proactively scans Cults3D, CGTrader, and Etsy for your mark codes and alerts you before you even notice.
API for other platforms(coming soon)
Third-party platforms will be able to verify authorship through our API — establishing Proofly as the global standard.
Non-Negotiable Principles
These are not marketing copy. They are hard-coded into every decision we make.
Creator keeps 100% of their sale price
Always. Every transaction, every currency, every country. Our income comes from the $1 buyer fee — never from your earnings.
Zero outside advertising — ever
No printer ads. No competing platform banners. No "sponsored" results that push paid creators above better work. Clean.
Author protection is active, not passive
We don't wait for you to file a report. We embed the watermark before a buyer downloads. We build the scanner. We send you the alert.
Founding Creator status is forever
The first 100 authors who believed in Proofly get permanent priority in search results and a badge that never expires.
Publish on a platform that fights for you
Every model you publish on Proofly is automatically watermarked, documented, and verifiable. Your work is protected from the moment you click Publish.