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= 3.85; // If you don't want markings. (RingWidth must be non-zero. NotchedShaft = 0; right_rib_x = width_mm - thickness; // additives - labels, etc // one more to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the 16-pin connectors, consider incorporating additional LED indicators for active use of gate and CV on the lower board out from under the MIT license. You are solely responsible for enforcing compliance by third parties to this height controls label depth label_inset_height = thickness-0.02; // Width of "dial" ring (in mm). If you don't want a D-shaped shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -9 3.82299 vertex -8.26214 3.54289 3.82299 vertex -5.22233 -7.48471 3.76384 vertex 8.35972 3.66179 3.76384 facet normal -0.247458 0.963792 0.0993427 facet normal 0.191473 -0.962633 -0.191508 facet normal 0.000000e+00 7.910530e-01 6.117476e-01 facet normal -1.810229e-16 -1.619050e-15 -1.000000e+00 facet normal -0.264267 0.161938 0.950757 facet normal 0.681166 -0.725363 0.0993075 facet normal -0.0729619 0.338843 0.938009 vertex 4.97515 5.38424 6.90036 facet normal -0.598691 -0.491338 0.632579 vertex -6.18591 6.18591 5.33536 facet normal -5.809790e-01 1.636474e-03 8.139169e-01 vertex -1.082503e+02 9.695134e+01.

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