The Kid Should See This

How to make a cardboard cycloid drawing machine

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Creating Spirograph-style drawings doesn’t require an elaborate kit. With just cardboard, precise cuts, and some patience for troubleshooting, anyone can assemble a cycloid drawing machine.

In this tutorial by Mr. Green, cardboard circles, two long cardboard rectangles, “gear teeth” crafted from the material’s corrugated interior, wooden dowels, and a pen come together.

assembling gears

A cycloid is the curve created by a point on the rim of a circular wheel as the wheel rolls along a straight line. The different combinations of holes in the arms, along with the differently sized gears around the spinning drawing stage in the center, create different patterns as the crank is turned. No batteries required.

turning the crank
Enjoy more DIY spirograph-style machines, including:
β€’ Pangraph v4: Making Spirocakes (Spirograph Pancakes)
β€’ JK Brickworks’ LEGO Drawing Machine
β€’ Eggstatic: Stroboscopic patterns animate on Easter eggs

Also: DIY cardboard 7-speed manual transmission.

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