Nuts&Bolt baby dexterity toy 3D printable model by Amatulic

Nuts&Bolt baby dexterity toy

Source: Thingiverse by Amatulic

The Nuts&Bolt baby dexterity toy is a free printable 3D model from Thingiverse by Amatulic. (Updated 30 May 2023 with more thread clearance and separated STL files for Cura users.) Ever since I became a father, I wanted to make this nut and bolt toy for my child that. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-04-18

Tags: Nuts&Bolt, baby, dexterity, toy

About this model

(Updated 30 May 2023 with more thread clearance and separated STL files for Cura users.) Ever since I became a father, I wanted to make this nut and bolt toy for my child that encourages hand-eye coordination. I didn't have a 3D printer at the time. Before I knew it, my kid was old enough to build our Prusa MK3S printer himself with a bit of supervision and help from me. So now I finally got this toy printed. Too late for my kid... although it turns out that he thinks it's a pretty nice fidget toy. There's something satisfying about spinning the nuts on the bolt. My objectives for this were: + Comply with Consumer Product Safety Commission regulation CFR 1501.4 and associated guidance + Large rounded threads for good tactile feel + Minimal sharp edges + Prove out my novel idea for generati…

Frequently asked questions

Is this 3D model free to download?
Yes. Nuts&Bolt baby dexterity toy 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 Amatulic.
Who made this model?
Designed by Amatulic, 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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