7.tool, jig or fixture to support the making of something else--(1)rotary switch

Materials：corrugated paper​
Techniques: cut bonding​
The seventh one is a simple switch made of corrugated cardboard. It consists of two pieces: one is a circle with a small part cut out on both sides inside, the other is a protruding horizontal strip with a slightly shorter stem underneath. The switch can be turned on and off by means of a rotation.