Monetize your creativity โ upload, list, and earn
If you’re a 3D designer with original STL, OBJ, or STEP files โ you can list them for sale on Trinity Layers.
Every time a customer downloads your design or places a print order using your file, you earn passive income.

๐น What can you sell?
โ
Printable 3D models in .STL
, .OBJ
, or .STEP
format
โ
High-resolution preview images (JPG/PNG)
โ
Single models or bundled sets (e.g., โ3 keychainsโ, โholiday miniaturesโ)
โ
Ready-to-print designs only
๐ฏ Best-Selling Model Categories
๐ Customized keychains & gifts
๐๏ธ Architectural scale models
๐ฎ Toys, miniatures, and characters
๐ ๏ธ Functional engineering parts
๐ Student project designs
๐ Jewelry CAD files
๐ Licensing Options & File Security
Encrypted download system
Watermarked preview renders
Secure preview before purchase
Choose between:
โ Downloadable License โ buyer owns the file
โ Print-Only License โ buyer can order a print, not the file
How It Works
Create a Seller Profile
Takes just 5 minutes
Upload Your Model
Add formats, images, and description
We Review for Quality
Approval within 24 hours
Start Earning
Your model goes live on our marketplace
๐งโ๐จ Who Can Join?
CAD or Blender designers
Architecture/engineering students
Freelance 3D artists
Product developers
Anyone with original printable models
๐ Start Selling Today
Join Indiaโs first hybrid platform for selling 3D models & prints.
Whether you’re a hobbyist or professional designer โ itโs time to turn your skills into income.