28byj-48 Z Axis Penholder / Toolholder for Drawbot 3D printable model by Blubber33

28byj-48 Z Axis Penholder / Toolholder for Drawbot

Source: Thingiverse by Blubber33

The 28byj-48 Z Axis Penholder / Toolholder for Drawbot is a free printable 3D model from Thingiverse by Blubber33. Here is the updated Tool-/Penholder for the 2020 Drawbot Drawing Robot. You can download the STL file from the original listing below and print it at home.

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45 saves Source: Thingiverse Updated 2026-06-15

Tags: 28byj-48, Z, Axis, Penholder, /, Toolholder, for, Drawbot

About this model

Here is the updated Tool-/Penholder for the 2020 Drawbot Drawing Robot. The servo version works great, but it is loud and a bit unflexible. Now I use a cheap 28BYJ-48 stepper motor to move the Z-Axis up to 42mm. Version 2 is more flexible and you can change the penholder to what ever you like (cutter, mill...) VERSION 2: with bolt on penholder HARDWARE: 2 X 95mm x 3mm rods (Z-Slider) 2 X 50mm x 3mm rods (flexible penholder) 4 X 8mm x 3mm pins (to fix the rack + super glue) 1 X ballpoint pen spring 6 X M3 x 8mm screws + nuts 1 x M3 x 20 to 30mm + nuts SOFTWARE: - GRBL V1.1h: - Universal G-Coad Sender (UGS): - Inkscape : - Hatch Fill: ELECTRONICS for the Z-Axis: - DRV8825 driver set to 8 microsteps or equal - Vref =0,108V (depending on you stepper driver) 1 X 28BYJ-48 stepper (modified to ru…

Frequently asked questions

Is this 3D model free to download?
Yes. 28byj-48 Z Axis Penholder / Toolholder for Drawbot 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 Blubber33.
Who made this model?
Designed by Blubber33, 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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