[Andreas Bastian] has been working on a device that turns an off-the-shelf laser cutter into something ... and most of the custom parts are made from laser cut acrylic: easily cut to size on ...

You can use a traditional level for this process, but investing in a laser level like the Huepar ... you could even cut the ...

Of those that use key switches though, the vast majority employ off the shelf components made for ... button design because of its use of laser cutting to achieve a super-slim result.