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This will allow the right hand of the Ergodox to be flipped and used as the left hand. In this scenario the teensy should be soldered with its bottom facing up on the top of the left hand PCB. Because doing this obscures the teensy mounted reset button, I have added pads for an optional reset switch that can be used from the bottom of a left hand only Ergodox. Reset switch part number: OMRON B3U-1000P
Adding support for reversible female USB Port and optional reset switch.
Almost all DXF files had some loops in it (lines or dots that were not connected to anything else). That was a problem, as most laser cutter will act weirdly because of that. Fixing this allow laser cutter to do the cut in one smooth line, and not try to leave some very close gaps because some dots were not connected. Files were imported then exported using Fusion 360. It seems that they have been vastly re-written, but as the DXF format has been invented by Autodesk, it should be ok and readable by other CAD softwares. You can see an example of the loops in one file here : https://imgur.com/zZA2Odz This is checked using an addin called Sketch Checker in Fusion 360.
Fixing all loops in all dxf files
Right hand was 10 times bigger than left hand. Also replaces commas by dots as decimal separator.
[case] Fix right hand size
[case] Fix right hand scale
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ErgoDox Acrylic Case/ErgoDOX Acrylic Case - Designed by Litster/Standard/Left/ErgoDOX Case Layer 1 Top - Left.dxf