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BackNormal -4.064179e-001 -7.112316e-001 5.735627e-001 facet normal -0.64416 -0.527664 0.55374 facet normal -0.435818 0.815358 0.381123 facet normal 5.026212e-001 -8.616807e-001 6.984435e-002 vertex -2.009542e+000 3.440446e+000 2.470218e+001 facet normal 4.856502e-001 -8.349584e-001 2.588211e-001 vertex -7.384906e-001 5.335009e+000 2.470218e+001 facet normal -0.367742 0.111553 0.923213 vertex -8.58402 2.55704 3.82299 vertex -3.66179 8.35972 3.76384 vertex -7.46215 5.02581 3.82299 vertex -3.44415 8.31492 3 facet normal -0.940722 -0.3318 0.0703606 facet normal -0.279018 -0.0846387 0.956549 facet normal -0.877365 -0.466832 0.110898 facet normal -0.392551 0.734383 0.553702 facet normal -0.0973162 0.989357 0.108179 facet normal -0.14487 0.0600084 0.987629 vertex 4.36072 0.247977 18.7299 facet normal -0.0580967 -0.0922853 0.994036 facet normal 3.886838e-001 6.772615e-001 6.246933e-001 vertex -3.431683e+000 -2.757365e+000 2.484855e+001 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: 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 811ef45c764021f623b8bb59234df1314fce4e91 12V, -12V and ground needed, probably up to 1amp footprint "IDC-Header_2x05_P2.54mm_Vertical_Fixed_Ground_Fill" (version 20221018) (generator pcbnew Latest commits for file Images/IMG_6770.JPG Binary files /dev/null and b/Images/IMG_6753.JPG differ Binary files /dev/null and b/Docs/precadsr.pdf differ main MK_VCO/Fireball/Fireball VCO saw wave core.circuitjs.txt Latest commits for file Schematics/SynthMages.pretty/Perfboard_4x12.kicad_mod // Diameter of base of round part of.