This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
A free, private, browser-based STL and 3MF splitter for oversized 3D-print models. Orient a model, cut it repeatedly, check every resulting part against your printer build volume and safety margin, then export slicer-ready STL or 3MF files. No upload, account, CAD installation, or server-side model processing is required for the core tool.
Hi Product Hunt! We built PartFit 3D for a problem that shows up constantly in 3D printing: finding a great model, then realizing it is larger than the printer's build volume.
The usual options often mean opening a full slicer or CAD package before you can even answer the basic question: will every piece actually fit? PartFit puts that fit check at the center of the workflow. You can orient an STL or 3MF model, choose a printer, add a safety margin, make repeated cuts, and see a Fit or Too Large result for every part. When everything fits, export the set as STL files or one 3MF project and finish the job in your slicer.
Privacy was equally important to us. Model geometry stays in the browser by default, so the core tool does not require an account or upload your design to our servers.
We would love feedback from makers: which printer profiles or splitting workflows should we improve next?
Split a model in my browser without uploading anything feels great, especially for large files I wouldn't trust to random servers. Really like that it flags which chunks won't fit my build plate before I bother exporting.
About PartFit 3D on Product Hunt
“Split STL & 3MF files to fit any 3D printer”
PartFit 3D was submitted on Product Hunt and earned 7 upvotes and 3 comments, placing #36 on the daily leaderboard. A free, private, browser-based STL and 3MF splitter for oversized 3D-print models. Orient a model, cut it repeatedly, check every resulting part against your printer build volume and safety margin, then export slicer-ready STL or 3MF files. No upload, account, CAD installation, or server-side model processing is required for the core tool.
PartFit 3D was featured in 3D Printer (9k followers) on Product Hunt. Together, these topics include over 860 products, making this a competitive space to launch in.
Who hunted PartFit 3D?
PartFit 3D was hunted by Serpit G. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how PartFit 3D stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Serpit G