Export DXF - Edge_Top and Edge_Bottom - DLP 3D printer for PCB etching

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MarkEd
Posts: 5
Joined: 13 Feb 2016, 16:40

Export DXF - Edge_Top and Edge_Bottom - DLP 3D printer for PCB etching

#1 Post by MarkEd » 29 Jul 2020, 07:25

Hello

Please add ability to set "Edge Width:" to negative value(for example -0,05mm or -0,1) in "export DXF" - Edge_Top and Edge_Bottom layer.
This would be useful for PCB etching with DLP 3D printer.

Using DLP 3D printer for PCB etch - surprising results:
https://www.youtube.com/watch?v=-Qeq7ZgUOuE

My results:
Etching.jpg
Track and pads are to wide. Edge Width = -0,05 in dxf export would probably be perfect.
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Alex
Technical Support
Posts: 3568
Joined: 14 Jun 2010, 06:43

Re: Export DXF - Edge_Top and Edge_Bottom - DLP 3D printer for PCB etching

#2 Post by Alex » 06 Nov 2020, 03:30

We will consider allowing negative value in Edge Width but it seems counterintuitive in most cases therefore the software changes negative value to minimum positive one.

MarkEd
Posts: 5
Joined: 13 Feb 2016, 16:40

Re: Export DXF - Edge_Top and Edge_Bottom - DLP 3D printer for PCB etching

#3 Post by MarkEd » 15 Nov 2020, 13:50

It would be great if it would show up in the next version.
It is probably counterintuitive when milling, but it would do the job with UV exposure.

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