3D Printed Drawing Machine

A fun and creative mechanical drawing device inspired by classic spirographs — fully 3D printable and powered by manual hand-crank motion. Perfect for making mesmerizing geometric patterns!
 

Features:
Gear-Driven Mechanism: Interlocking gears rotate a pen arm to draw intricate patterns on paper
Hand Crank: Smooth manual operation — no motors or batteries needed
Pen Holder: Fits standard pens or markers with adjustable grip
Paper Platform: Holds your paper sheet steady while the arm spins and draws
Customizable Gears: Try different positions to create unique spirals and loops
Easy Assembly: Print and assemble with a few screws or snap-fit parts

Instruction below.
 

Tips:
Use PLA or PETG
Use a bit of lubricant or wax for friction points
 

Ideal For:

Kids’ STEM projects
Art lovers
Tactile desk toys
Educational workshops
 

Turn the crank and watch your pen dance across the page! 

 

 

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