Would a database for 3D-printable replacement parts actually be useful?
I’ve been working on a small MVP around something I keep seeing in 3D printing: replacement parts for products that are broken, discontinued, overpriced, or just annoying to source.
The idea is basically a searchable database/marketplace organized around the actual product rather than just STL files.
So instead of searching something like “replacement gear STL,” you’d browse:
Brand → Product → Model/revision → Part
A listing could be an STL you print yourself or a physical printed part from someone who makes it.
The part I’m most interested in is compatibility/trust. Things like whether somebody has actually printed the part, what product revision it fits, material used, whether it survived real use, installation notes, etc.
I have a rough MVP now, but before spending much more time on it I’d love some criticism from people, else than me, who actually print/repair things.
A few things I’m curious about:
- Have you ever tried to find or make a replacement part for something you owned? What was the hardest part?
- Where do you currently look first: Printables, MakerWorld, Thingiverse, Google, Reddit, somewhere else?
- Is finding the STL actually the problem, or is figuring out whether it will fit/work the bigger problem?
- I know it is a 3d-printing community so it might be biased but do you think that offering the possibility to download the file or actually buying the physical part is less a thing?
- What information would make you trust a replacement part made by a random person?
- What would make a site like this pointless compared with the platforms that already exist?
If you read until there, the link of the mvp: https://3-d-marketplace-sigma.vercel.app/ (every listings or propositions are just purely illustrative, you can't buy anything)