Laser cutters are still ... piece will fit with tabs, the 3D printed part won’t need them. There are other concerns he covers too, like aligning the infill to make the part stronger.

[Spiritplumber] is using a 445nm laser diode attached directly to his extruder mount to turn his 3D printer into a laser cutter. The great thing about putting a laser diode on an extruder is that ...

Using household items like pliers and a soda can, you can easily make cookie cutters in just about any ... the aluminum to match the outline of the printed design, applying pressure when needed ...