The result was a robust stencil that outperformed the Mylar they had previously used, enabled the manufacture of 350 boards. They think that the polymer layer on top of the paper may be silicone ...

These then get stuck to the bottom Mylar sheet. When you are all done cutting, you can simply pull the sheets apart and end up with one perfect solder stencil and one scrap piece. [Juan] used a ...

Alternatively, you can use blank Mylar stencil sheets to create and cut out your own design, though this may require access to a laser cutting machine. It's important to use a plastic stencil ...