The toner transfer technique of fabricating PCBs is a essential in every maker’s toolbox. Usually, tutorials for this technique of making PCBs depend on a clothes iron or laminating machine. They work completely well, however with both of these techniques (sans high-end laminators), you’re only heating one side of the board at a time, making ideal double-sided PCBs somewhat of a challenge.
[Mark] just came up with an fascinating service to this problem. A waffle iron PCB press. Technically, [Mark] is utilizing his ‘grill as well as waffle baker’ as a two-sided griddle, with a few aluminum plates sandwiching the copper board for great thermal conduction.
After a whole great deal of trial as well as error, [Mark] ultimately got a great transfer onto a piece of copper clad board. now that he has the process dialed in, it ought to be a snap to replicate his results with a new job as well as a new PCB design.