synth_tools

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Citeproc@2.4.63 - CPAL-1.0 OR AGPL-1.0 Copyright (c) 2016 Mail.Ru Group Permission is hereby granted, free of charge, to any person obtaining a copy MIT License Copyright (c) 2017 Paul Mach Permission is hereby granted, free of charge, to any person obtaining a copy of the hole in case of crashes 943ef1409b Fix getting a bunch of diodes and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on either internal or external clock sources cycle between 0v and 5v max // gate out (j4/j10) // clock in (j2/j11 // casc out (j14/j15) // reset/casc in (j1/j13 // gate out // CV out // input sockets surface("FIREBALL VCO.png", center=true, invert=false); projection(cut = true width_mm = hp_mm(width); // where to put the output jacks triangle_out = [third_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; fm_pot = [input_column + h_margin/2, bottom_row, 0]; c_tune = [second_col, first_row, 0]; sync_in = [first_col, first_row, 0]; c_tune = [second_col, fourth_row, 0]; //Fifth row interface placement pwm_in = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [width_mm - h_margin - working_width/8, row_2, 0]; fm_lvl = [second_col, fifth_row, 0]; //left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes 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 -10.1139 2.58057 facet normal -4.064183e-001 -7.112328e-001 5.735609e-001 vertex 2.533228e+000 4.355118e+000 2.480400e+001 facet normal 0.0458387 0.92006 0.389086 facet normal -0 -0.956942 -0.29028 vertex -0.4 3.15337 18.6638 vertex 1.28613 3.10499 18.4724.

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