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I used a 3D-printed stencil and applied UV-curable solder mask with a rubber roller to make a PCB. No chemicals were required for mask development, just UV light and some heat from the heated bed. 8
I used a 3D-printed stencil and applied UV-curable solder mask with a rubber roller to make a PCB. No chemicals were required for mask development, just UV light and some heat from the heated bed.
View Reddit by adbrt – View Source
I managed to create a Blender template file with geometry nodes that can semi-automatically convert a DXF plot to 3D-printable model. However, some stencil “bridges” need to be added manually so the stencil will not fall apart. I described the steps in detail here, if anyone is interested: [https://hackaday.io/project/186467-making-pcbs-with-3d-printed-stencil-and-uv-paint](https://hackaday.io/project/186467-making-pcbs-with-3d-printed-stencil-and-uv-paint)
Or if one prefers multimedia instructions instead of written: https://youtu.be/QdvfGcdTSuA
Very cool!
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Very nice! I once tried experimenting with electroplating prints made of conductive filament for the purpose of making PCBs. Lets just say it was a lot less successful then you’re method.
I’ve actually been doing that with my uv resin printer for over a year now. Just modified the lcd to get the distance between pcb and actual glass of the lcd as low as possible and you can easily expose 0.1mm pcb structures when using decent photoresist. I wrote a conversion programm that takes gerbers and exports them as chitubox printer files.
Very cool!! You should crosspost this to /r/functionalprint .
Wow this may be a nice, fast and cheap way to prototype circuits for complex design!
Did the 3D printed stencil survive the creation of a board? I mean do you think you could make a second or third one with that same stencil, or do you think you’d need to print a new one?