BoscoBear

Forth. Not forth compilers like gforth but the whole environment. Esp32Forth is a great implementation.

You can put it on really thick, but it is probably better to do multiple thin coats. You can find it at auto parts.stores or some Walmarts in the automotive section.

Yes. Moldable, sandable and printable. It is often used to hide layer lines.

Bondo body filler

Not everyone can go as a group.

Laptops