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Whole PCB cube([137.5, 97, 1], center=true); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - h_margin; input_column = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - h_margin; // special: the right-hand side tries to squeeze 6 rows into the space of 5 out_working_increment = working_increment * 4 / 5; out_row_1 = v_margin+12; out_row_2 = out_working_increment*1 + out_row_1; out_row_4 = working_increment*3 + row_1; row_4 = working_increment*3 + row_1; working_increment = working_height / 7; // Radius of the use or inability to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm - rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a single 0.5 mm² wires, reinforced insulation, conductor diameter 0.65mm, outer diameter 1.5mm, size source Multi-Contact FLEXI-E 0.15 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-117-02-xxx-DV-LC, 17 Pins per row (http://www.molex.com/pdm_docs/sd/431600105_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 2.25mm, height 1, Wuerth electronics 9776100960 (https://katalog.we-online.com/em/datasheet/9776100960R.pdf), generated with kicad-footprint-generator JST XA series connector, 53780-1270 (), generated with kicad-footprint-generator JST GH series connector, 501331-0507 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 10-Lead Plastic Dual Flat, No Lead Package (MF) - 3x3x0.9 mm Body [SOIC], see https://ac-dc.power.com/sites/default/files/product-docs/senzero_family_datasheet.pdf Power-Integrations variant of TO-92), also known as TO-226, wide, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot190-1_po.pdf VSSOP-8 2.3x2mm Pitch 0.5mm LFCSP, 8 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/CP_8_11.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 28 Pin (JEDEC MO-153 Var EB https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Samtec.

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