As an FPT, have a competition to create the best polished edge on a rough-cut piece of acrylic. This process can be used to finish a huge range of items which students choose for projects ...
The RPi board itself is held in position by a few well-place acrylic chunks super glued in place. You can see the entire build process, including rounding cut edges with a torch, in his video ...
Flame polishing is used to treat the edges, and everything is stuck together using what appears to be acrylic cement. For a nice finishing touch, the cartridge door gets a frosted Nintendo logo ...