synth_tools

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Make_the_knob() { difference() { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=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 -10.1904 0 0 VCO details from Moritz Klein (and derivatives 1 0 20.5 vertex 1 3.18579 20.5 vertex 1 7.04351 7.6891 vertex -1 7.04351 7.6891 vertex 1 5.39134 21.8333 vertex -1 7.30206 6.90928 vertex 1 6.34847 12.858 vertex -1 5.45679 20.501 vertex 1 7.04351 7.6891 vertex 1 7.30206 6.90928 vertex -1 6.28946 13.3638 vertex 1 6.92771 7.89317 vertex -1 7.26455 7.25222 vertex -1 7.23463 7.52583 vertex -1 7.26455 7.25222 vertex -1 7.23463 7.52583 vertex -1 6.28946 13.3638 vertex 1 6.419 12.8511 vertex 1 6.34847 12.858 vertex -1 4.35446 19.3313 vertex 1 5.45679 20.501 vertex -1 5.27986 22.0001 vertex -3.74837 3.84796 22.0001 vertex 2.92564 4.50529 22.0001 vertex 1.11698 5.25446 22.0001 vertex -4.50529 -2.92564 22.0001 vertex -1 6.34847 12.858 vertex -1 6.43 13.35 vertex 1 6.92882 7.8933 vertex 1 6.9437 7.89503 vertex -1 7.26455 7.25222 vertex 1 7.23463 7.52583 vertex -1 6.92882 7.8933 vertex -1 5.39134 21.8333 facet normal -9.940187e-001 -4.425715e-003 1.091198e-001 facet normal -0.683048 -0.365096 0.632574 vertex -4.86024 7.27387 5.33536 facet normal 0.257261 -0.262755 0.929934 vertex 5.42659 -4.99768 6.90571 vertex 4.89431 -5.50428 6.95641 facet normal -0.288318 0.956944 0.0336339 facet normal 1.575940e-001 2.757893e-001 9.482111e-001 facet normal -0.877365 0.466832 0.110898 facet normal -1.397736e-01 -9.901835e-01 -0.000000e+00 facet normal -0.977632 -0.210322 0 vertex 1.76336 -2.42705 9.999 facet normal 0.0974854 -0.989339 0.108192 facet normal -4.648438e-001 -8.134771e-001 3.495358e-001 vertex 1.313550e+000 3.891541e+000 2.480400e+001 facet normal -4.792344e-001 -8.386599e-001 2.588127e-001 vertex 1.630534e+000 4.844471e+000 2.475471e+001 facet normal 0.690378 -0.423065 0.586851 facet normal 4.816834e-001 8.419777e-001 2.430117e-001 vertex -4.994258e+000 -2.966879e+000 2.470887e+001 facet normal -0.0980238 -0.995184 -0 facet normal -0.766713 0.634279 0.0992069 facet normal -1.600427e-001 2.743734e-001 9.482118e-001 facet normal -0.124621 0.886065 0.446496 vertex -4.17623 -5.20841 7.5439 facet normal -0.0729387 -0.0676785 -0.995037 vertex -9.61887 -3.06254 0.0491304 facet normal 1.728287e-15 0.000000e+00 -1.000000e+00 vertex -1.043265e+02 9.725134e+01 7.312023e+00 facet normal -0.989331 -0.0975625 0.108193 facet normal 0.0980092 0.995186 3.9263e-06 facet normal -0.630641 -0.76849 0.108235 facet normal 4.589668e-01 8.884534e-01 0.000000e+00 vertex -1.044754e+02 9.769640e+01 1.855000e+01 vertex -9.426361e+01 1.053818e+02 1.055000e+01 vertex -9.426361e+01 1.053818e+02 3.455000e+01 facet normal -9.732975e-01 1.221638e-03 -2.295442e-01 facet normal 8.456261e-02 2.365524e-03 -9.964154e-01 facet normal -0.300167 0.365756 0.880978 vertex 5.89328 -5.89328 5.74921 facet normal 0.367721 -0.111545 0.923222 vertex -2.55704 -8.58402 3.82299 vertex 3.33701 8.34742.

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