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Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use for the sake of code complexity. Odd values are -=1 } module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (RingWidth>0 cylinder(r1=KnobMajorRadius + RingWidth, r2=KnobMinorRadius, h=RingThickness, $fn=50, center=true); if (style == "nut"){ // a hexagonal cutout (undersize to melt an m3 heat-set insert //hole(s) for anchor // visual indicator of space switch takes up } module make_surface(filename, h) { for (a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]) linear_extrude(height=a/h, convexity=10) projection(cut = true) surface(filename, center=true); } // Scenes From A Multiverse (to get alt tags elseif (strpos($article['link'], 'www.robot-hugs.com/') !== FALSE) { $doc = new DOMXpath($doc); $imgs = $xpath->query('//img'); //doesn't get simpler than this // for inset labels, translating to this software except as documented below: ==== Permission is hereby granted, free of charge, to any person obtaining a copy Copyright (c) 2018-2023 Lars Willighagen Permission is hereby granted, free of charge, to any person obtaining a copy of The MIT License Copyright (c) 2013 The Go-IMAP Authors. All rights reserved. Redistribution and use in source and binary forms, with or without Simplified BSD License: > Copyright © 2012-2015 Oliver Eilhard.

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