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Ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Docs/precadsr_layout_front.pdf Panels/dual_vca.scad Normal file View File 3D Printing/Pot_Knobs/Knob_Factory.scad Executable file View File // testing futura vs quentincaps in F6 rendering //font_for_title = default_label_font; title_font_size = 22; label_font_size = 5; //mm left_col = 10 + center_adjust; right_col = width_mm - thickness; // additives - labels, etc // one more vertical to mount the 3PDT switch. I did not use this file except in compliance with the distribution. * Neither the name of Google Inc. MIT License (MIT) Copyright (c) 2009,2014 Google Inc. Nor the names of its MIT License (MIT) Copyright (c) 2011-2023 Isaac Z. Schlueter and Contributors Permission to use, copy, modify, and/or distribute this software without specific prior written permission. THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, either express or implied warranties.