Duplicating House Keys 3D printable model by nrp

Duplicating House Keys

Source: Thingiverse by nrp

The Duplicating House Keys is a free printable 3D model from Thingiverse by nrp. Full writeup on my blog at: It occurred to me recently that I had printed almost nothing actually useful on my RepRap 3D printer, aside from parts to improve on or build more. You can download the STL file from the original listing below and print it at home.

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368 saves Source: Thingiverse Updated 2026-04-15

Tags: Duplicating, House, Keys

About this model

Full writeup on my blog at: It occurred to me recently that I had printed almost nothing actually useful on my RepRap 3D printer, aside from parts to improve on or build more RepRaps. I am rectifying that with this project. The goal here is to generate working house keys by inputing the key code of the lock into a parametric OpenSCAD model. Instead of having to explain to my landlord how I ended up with a wedge of plastic jammed in my front door, I ordered a box of (well) used locks and latches from eBay to experiment on. Luckily, the lot includes both Kwikset KW1 and Schlage SC1 locks, which are the two most commonly found in the US. I created an SC1 model to start with, but I’ll probably make a KW1 soon. EDIT: I uploaded a KW1 model as well. Designing the key model was actually pretty …

Frequently asked questions

Is this 3D model free to download?
Yes. Duplicating House Keys is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by nrp.
Who made this model?
Designed by nrp, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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