[RobotGrrl]

Thanks Windell for that clarification! Sorry for the delay, didn’t receive any notification and wanted to check back on this. This is cool to hear and will see if the piece will work for this project.

[RobotGrrl]

Thanks for answering my question and the info about TPEs! Good point about removing the NinjaFlex afterwards, not really sure how to do this yet. Was thinking about using acetone (in a well ventilated area). Just the heat from soldering makes the board (Pyralux) a little warpy and melty on the other side.

It will be cool to see if someone does a similar project with an etch resist pen and the WaterColorBot. Or even the EggBot with a copper egg. That would be nifty.

Thanks again!

[RobotGrrl]

So what actually exposes the copper are holes in the soldermask? Or both the holes in the soldermask and holes in the fill?

I’ll try to make the fill have holes in the shape of the pattern.

The route that I used was from Inkscape to a .png image, then to a Processing sketch I wrote to make tiny squares that would be on the pins and pads layer. Thought everything on that layer would then be exposed copper.

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