Vacuum Former from scratch

OK, My son (12) and I are working on a vacuum forming system from scratch. I'm pretty excited about it and want to put it out as a work in progress. We will post the final plans and files along with a list of do's and don'ts once we are making super cool armor and injection molds for weapons.

We have a few designs we have been working on. One included the vacuum inside of the vacuum cavity. For that, we had the original Switch Housing. For that, we expected the wires to pass through the