The first PCB design tool released for the PC had this functionality. Without the ability to create custom parts, Fritzing cannot legitimately call itself a PCB design tool and should not be used ...

[jglim] didn’t have much experience with fabric, but a PCB lapel pin was something that seemed like it should work. There are really only three parts to a lapel pin — the small ornamental pin ...

Double-sided circuit boards might be able to pass through the process using a single stencil. This is known as an A/B flip ...