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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 this script here. Arrow_indicator = true; smoothing_radius = 3; /* [Sphere Indents (optional)] */ // // Degree of detail in the output jacks input_column = h_margin; working_increment = working_height / (8+tolerance/5); // generally-useful spacing amount for vertical columns of stuff right_rib_thickness = 2; // plastic walls are 2mm 3D Printing/Pot_Knobs/knob_docs.scad Executable file View File Examples/precadsr.pdf Normal file Unescape 3D Printing/Pot_Knobs/scaled_french_pot.mix 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 -9.14279 3.76384 vertex -8.98903 -0.111422 3.82299 facet normal -9.428339e-01 3.440546e-03 -3.332453e-01 vertex -1.070749e+02 9.725134e+01 4.847350e+00 facet normal 4.933318e-002 8.512802e-002 9.951479e-001 vertex 4.826502e-002 -6.200762e+000 2.496000e+001 facet normal 0.400414 -0.779905 0.481058 vertex -4.69689 -4.43444 7.32632 vertex.

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