Again an amazing 3D model idea by Duc Tran from @FORMBYTE.

This creation will let you extend your pencils and use them longer. So, don’t throw away your short pencils, extend them!

Printing settings:

Layer height: 0.1 - 0.2 mm
Infill: 50 %
Speed: 50 mm/s
Supports: yes

Download the STL on Cults here:


Very cool design idea. Let’s upcycle :slight_smile:

I completely agree, @Pierre_2, I’ll add it to my to do list :wink: