Electrochemical etching - GIF

Electrochemical etching.

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Previously:

https://www.homemadetools.net/forum/...962#post179637
https://www.homemadetools.net/forum/...709#post178619
https://www.homemadetools.net/forum/...219#post191954
https://www.homemadetools.net/forum/...377#post204537
https://www.homemadetools.net/forum/...767#post194037

Brother make a tape for their standard label printers which does the stencil bit - appropriately called "stencil tape" - from memory it's 18mm (3/4") wide.