The machine takes a spool of wire and methodically bends it into a paper clip shape. Just like an extruder on a 3D Printer, there is a knurled drive wheel with a spring-loaded bearing pinching the ...

The one that changes shape less is more stable. 1. With your partner, build a triangle and a square from the straws and paper clips. To connect two straws, slip the wide end of a paper clip into ...