A PCB stencil provides a template that goes over the PCB and has openings only where solder paste needs to be applied. With a glob of solder paste and a squeegee, an entire board can have the solder ...

[Mikey Sklar] had a problem—namely, running low on the brass material typically used for making PCB stencils. Thankfully, a replacement material was not hard to find. It turns out you can use aluminum ...