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4.916461e-004 -9.999998e-001 facet normal -2.880153e-004 -5.040268e-004 -9.999998e-001 ## Documentation: ### Documentation: * [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 apply smooth = 20; shaft_radius = 3.25; shaft_smoothness = 20; // tweak on this script somewhere where OpenSCAD can find it (your current project's * working directory/folder or your OpenSCAD script and call either... * knurled_cyl( Knurled cylinder outer diameter, generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-0103, 3 Pins per row (https://www.molex.com/pdm_docs/sd/022057045_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 20-Lead Plastic Thin Quad Flatpack (PT) - 12x12x1 mm Body, 2.00 mm [TQFP] (see Microchip Packaging Specification 00000049BS.pdf DCB Package 8-Lead Plastic DFN (5mm x 5mm); (see http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-32/CP_32_27.pdf LFCSP, 48 Pin (http://www.st.com/resource/en/datasheet/stm32f042k6.pdf#page=94), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-115-02-xxx-DV-LC, 15 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 connector JST EH side entry Harwin LTek Connector, 22 pins, single row Surface mounted socket strip SMD 1x34 1.27mm single row style2 pin1 right Through hole IDC header, 2x17, 2.54mm pitch, 6mm pin length, single row Surface mounted socket strip THT 1x40 2.00mm single row Through hole straight socket strip, 1x32, 2.00mm pitch, double rows latches, mounting holes, https://docs.google.com/spreadsheets/d/16SsEcesNF15N3Lb4niX7dcUr-NY5_MFPQhobNuNppn4/edit#gid=0 Through hole angled socket strip THT 2x24 2.54mm double row Through hole straight pin header, 2x14, 2.54mm pitch, 6mm pin length, single row Through hole straight socket strip, 1x03, 2.54mm pitch, single row Surface mounted socket strip THT 1x24 2.54mm single row Through hole angled socket strip, 1x23, 1.00mm pitch, double cols (from Kicad 4.0.7), script generated Through hole IDC header, 2x17, 1.00mm pitch, double cols (https://gct.co/files/drawings/bc085.pdf), script generated Through hole straight pin header, 1x18, 2.00mm pitch, 4.2mm pin length, double cols (from Kicad 4.0.7), script generated Surface mounted socket strip SMD 1x11 1.00mm single row style2 pin1 right Through hole straight pin header, 2x31, 1.27mm pitch, double rows Surface mounted socket strip THT 1x19 2.00mm single row style1 pin1 left Surface mounted socket strip THT 1x37 1.27mm single row Surface mounted socket strip THT 1x38 2.00mm single row style1 pin1 left Surface mounted socket strip SMD 2x29 2.54mm double row surface-mounted straight socket strip, 1x35, 1.00mm pitch, double.

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