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Smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew). (ShaftLength must be non-zero.) RingMarkings = 10; knob_radius_bottom = 14; // [1:1:84] fm_in = [input_column - h_margin/2, bottom_row, 0]; cv_in = [h_margin, row_1, 0]; fm_in = [input_column + h_margin/2, row_1, 0]; fm_in = [input_column - h_margin/2, row_1, 0]; audio_out_2 = [right_col, row_7, 0]; manual_1 = [left_col, row_3, 0]; pwm_duty = [second_col, first_row, 0]; c_tune = [second_col, first_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; scale([.38,.38,-.005]) surface("FireballSpellVertSmaller.png", center=true, invert=false); // color([1,0,0] // surface("FireballSpellSmall.png", center=true, invert=false); } module shape(hsh, ird, ord, fn4, hg y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( hsh >= 0 ) { // not a jellybean, so $3/ea for sketchy NOS on amazon ** CA3080 design is ancient; maybe an updated one exists with current ICs? Scrat https://modularaddict.com/scrat-configurable-vcf-neutral-labs plug in your OpenSCAD script and call either... * knurled_cyl( Knurled cylinder outer diameter, generated with kicad-footprint-generator Molex SPOX Connector System, 5267-11A, 11 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Molex PicoBlade Connector System, 5268-05A, 5 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex CLIK-Mate series connector, DF52-12S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator Soldered wire connection with feed through strain.

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