XRobots - How to build a vacuum forming machine including my easy heating solution. My $5 vacuum former : DIY. How to make a clip for any cell phone LiPo, and how to vacuum mould. Update; Version with motors here: I would like to play around with old cell phone LiPo's. I figured it was a nice way to get some tiny batteries, including charger. However, I needed a clip to easily insert the batteries into what ever I mas making. Since I have played around with vacuum moulding, I figured it was a nice opportunity to make a small walkthrough. What I really wanted to achieve was what you see on the first picture below. CNC : La fraiseuse numérique...