For this rotating scissor linkage we used heat shrink tubing to join repeated S shape bends. Modifying the S to have one shorter segment allowed for the rotation, which gave us the star shape. We clearly just love stars!
Download the SVG below and try it out for yourself - it's a quick one. Maybe stick a boxing glove on the end. Or try bending and assembling your own mechanism. And let us know how it goes!
Step 1: Bend the Segments
Here's your modified S bend for the linkage system.
Step 2: Repeat
Repeat the bend 12 times and you're ready to assemble.
Step 3: Assemble
Use heat shrink or joined tubing to connect the bends along each middle segment.
Step 4: Join Everything Together
Join all the end segments to create your completed linkage system...
Step 5: Have Fun
Click on the picture to see a GIF of it in action.