synth_tools

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ADSR envelope generator and a switch module label(string, size=4, halign="center", height=thickness+1, font=default_label_font) { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font); } module knurled_cyl(chg, cod, cwd, csh, cdp, fsh, smt crn=ceil(chg/csh); echo("knurled cylinder max diameter: ", 2*cird); if( fsh < 0 ) { 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); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -6.74156 7.03201 vertex -4.64974 4.64974 7.16319 vertex -6.74156 0 7.03201 facet normal -0.365756 -0.300167 0.880978 vertex -5.89328 5.89328 5.74921 facet normal 4.575359e-001 -7.823334e-001 4.226290e-001 vertex -4.292458e+000 3.278266e+000 2.475471e+001 facet normal -0.19571 -0.980662 0 vertex 10.1521 0.388301 2.19603 vertex -5.96308 8.22545 2.19603 facet normal -0.248691 -0.968583 -0 vertex 4.14326 5.00834 19.9 facet normal -0.705398 0.0694843 0.705398 vertex -9.46879 0 3.54602 facet normal 0.76848 -0.630655 0.108222 facet normal -2.331188e-01 1.106869e-03 -9.724476e-01 vertex -1.058330e+02 9.665134e+01 1.284087e+01 facet normal 0.222395 -0.884723 0.409641 facet normal 6.103586e-01 -3.383381e-03 7.921180e-01 vertex -1.054006e+02 9.725134e+01 1.046210e+01 facet normal -0.392536 0.734388 0.553706 facet normal -0.654326 -0.271034 0.705973 facet normal 0.271031 0.654318 0.705982 facet normal -0.0393352 -0.305328 0.951435 facet normal -0.881923 -0.471393 2.62504e-06 facet normal 0.727319 0.241698 0.642332 vertex -6.59163 0.162663 7.16505 vertex -6.63876 -0.319077 7.17054 vertex -4.61842 4.98874 7.03804 facet normal -0.115482 -0.00124902 0.993309 vertex 7.37473 -0.0747576 6.86461 facet normal 0.7054 0.06948 0.705395 facet normal 0.500001.

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