Pololu Custom Laser Cutting offers an easy path for cheap and quick
machining of Lexan and other plastics.
For larger, more complex pieces, out of metal and other materials, perhaps
eMachineShop is a better choice.
Random experiments, circuits, code, rapid prototyping, sometimes things to buy, and the odd tune by Tod Kurt.
Pololu Custom Laser Cutting offers an easy path for cheap and quick
machining of Lexan and other plastics.
For larger, more complex pieces, out of metal and other materials, perhaps
eMachineShop is a better choice.