Mechanical Pencil 3D printable model by angry_monk

Mechanical Pencil

Source: Thingiverse by angry_monk

The Mechanical Pencil is a free printable 3D model from Thingiverse by angry_monk. A lot of people have been requesting this although it is difficult to print. You can download the STL file from the original listing below and print it at home.

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272 saves Source: Thingiverse Updated 2026-04-20

Tags: Mechanical, Pencil

About this model

A lot of people have been requesting this although it is difficult to print. Attempt on your own discretion. This is a fully in-situ printed mechanical pencil that I designed several years ago. More information can be found here: All STL file units are in inches. Scale accordingly to convert to mm. These parts can only be printed on high-resolution printers that can do SLS Nylon, SLA, or Polyjet The 'Normal' version is difficult to get right in most cases while the '30 Percent Larger' version works most of the time. Both require a lot of delicate cleaning to get functional. The 'Normal' version takes 0.9mm lead and 7mm diameter erasers. The '30 Percent Larger' version takes 1.3mm lead and 7mm diameter erasers. The parts need to be freed very carefully, after printing, for the pencil to wor…

Frequently asked questions

Is this 3D model free to download?
Yes. Mechanical Pencil 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 angry_monk.
Who made this model?
Designed by angry_monk, 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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