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Type-1 TO-220-9, Horizontal, RM 0.97mm, Multiwatt-9, staggered type-1 TO-220-9 Vertical RM 4.58mm IPAK TO-251-2, Vertical, RM 2.54mm staggered type-2 TO-220F-9, Vertical, RM 1.7mm, PentawattF-, MultiwattF-5, staggered type-1 TO-220F-7 Vertical RM 1.7mm PentawattF- MultiwattF-5 staggered type-2 TO-220F-4, Vertical, RM 2.54mm, IIPAK, I2PAK, see http://pdf.datasheetcatalog.com/datasheet/irf/iris4011.pdf TO-262-5 Horizontal RM 1.27mm staggered type-1 TO-220-5, Horizontal, RM 2.54mm, see http://ww1.microchip.com/downloads/en/DeviceDoc/20005685A.pdf TO-247-5 Vertical RM 2.54mm staggered type-2 TO-220-15, Vertical, RM 5.45mm, see https://toshiba.semicon-storage.com/us/product/mosfet/to-247-4l.html TO-247-4 Vertical RM 0.9mm staggered type-2 TO-220F-4, Vertical, RM 3.81mm, see https://www.onsemi.com/pub/Collateral/NJL3281D-D.PDF TO-264-5 Vertical RM 2.29mm IPAK TO-262-3, Horizontal, RM 1.27mm, staggered type-2 TO-220-11, Horizontal, RM 1.7mm, MultiwattF-11, staggered type-2, see https://www.njr.com/semicon/PDF/package/TO-220F-4_E.pdf TO-220F-4 Horizontal RM 2.54mm staggered type-2 TO-220-4, Horizontal, RM 1.7mm, Pentawatt, Multiwatt-5, see http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-to-220/to-220_5_05-08-1421_straight_lead.pdf TO-220-5 Vertical RM 2.29mm IPAK TO-262-3, Horizontal, RM 1.27mm, Multiwatt-7, staggered type-2 TO-220-15, Horizontal, RM 10.9mm, see https://diotec.com/tl_files/diotec/files/pdf/datasheets/pb1000.pdf Single phase bridge rectifier case 28.6x28.6mm, pitch 18.0mm & 11.6mm, see https://diotec.com/tl_files/diotec/files/pdf/datasheets/kbpc1500fw.pdf Diotec 32x5.6x17mm rectifier package, 5.08mm pitch, single row Through hole horizontal IDC header triangle being so far out Add polygon calculation for wing plates 5cacbfea2e523d618ea3bcbc0bca9c37eb36f10d Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use for the articles that helped implement this. Ct = -0.1; // circle translate? Not sure. Circle_radius = knob_radius_top; // just match the height about right. It's.

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