Lets Make Robots user fritsl wanted to play around with some old cell phone batteries, but needed a way to securely connect to them. His solution? Use a vacuum former, plastic, and some metal tabs from a switch to make a diy battery holder. He’s got a nice demonstration on how to vacuum mold using a heat gun and what looks to be a plastic dinner plate. Great show!
How-To: Make a cellphone battery holder using a vacuum former