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No STL files for light edition PCB 1mm #12

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MarkJeronimus opened this issue May 17, 2021 · 1 comment
Open

No STL files for light edition PCB 1mm #12

MarkJeronimus opened this issue May 17, 2021 · 1 comment
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@MarkJeronimus
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I bought two light editions from Lilygo via AliExpress, and the PCB they use is 1.0mm, not 0.8 or 1.6mm. I could probably squeeze the module into the case but I don't like unnecessary forces.

I have simulated this in OpenSCAD and I find the thickness for the PCB+DISPLAY is 2.8mm, and I measure with my calipers that my item is 2.86mm (excluding screen protector). I can squeeze my calipers such that the gap between the display and PCB disappears, and I measure 2.78mm, but if I do that all around, the display will probably bulge because of the double-sided tape in between pushing them apart by ~0.2mm. (the piece of tape is small, like 1x2cm)

@uvwxy
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uvwxy commented May 20, 2021

I have no influence on which pcb thickness they chose. As I have built & soldered mine based on 0.8mm and 1.6mm PCBs these are the only I have made so far.

The best approach would be a parameterised case based on open scad. See this for a start: https://github.com/Open-Smartwatch/3d-files/tree/master/case-light-round-parametric-printed-straps

@uvwxy uvwxy added the help wanted Extra attention is needed label May 20, 2021
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