M3-M8 nuts and bolts printable with 0.4 nozzle 3D printable model by the Raz
M3-M8 nuts and bolts printable with 0.4 nozzle photo 1 M3-M8 nuts and bolts printable with 0.4 nozzle photo 2

M3-M8 nuts and bolts printable with 0.4 nozzle

Source: MakerWorld by the Raz

The M3-M8 nuts and bolts printable with 0.4 nozzle is a free printable 3D model from MakerWorld by the Raz. This is a settings experiment so it's about print profiles rather than an actual remix - I merely picked a few interesting thread sizes from the original model. You can download the STL file from the original listing below and print it at home.

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660 saves Source: MakerWorld Updated 2026-09-27 Print time: 1h 21m Filament: 5 g License: CC-BY-NC · non-commercial ★ 4.4 (27) 308 makes

Tags: threads, nuts, bolts, calibration

About this model

This is a settings experiment so it's about print profiles rather than an actual remix - I merely picked a few interesting thread sizes from the original model. I then tweaked settings until the M3 come out so I could actually fit the nut to the bolt. Makerworld might ruin the settings if you print directly from Bambu Handy, so if they don't come out good try using Bambu Studio instead. The key here is using Arachne with decreased minimum wall width to 15% and minimum feature size to 10% (defaults are 85% and 25%). I also set Extruder to allow layer heights 10-80% of nozzle size (defaults are 20-70%). For 0.4 nozzle, that’s 0.04-0.32 mm instead of 0.08-0.28 mm. Finally (after those settings are made) ensure all objects are variable layer height. Also, you will need a good calibration - thi…

Frequently asked questions

Is this 3D model free to download?
Yes. M3-M8 nuts and bolts printable with 0.4 nozzle is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?
The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by the Raz.
Who made this model?
Designed by the Raz, published on MakerWorld. 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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