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KnobMajorRadius = KnobDiameter/2; KnobMinorRadius = KnobDiameter/2 * (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : Knurls-1] rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = knob_faces); // @todo Calculate the convexity values based on a work based on https://www.analog.com/media/en/technical-documentation/data-sheets/8063fa.pdf Altera BGA-36 V36 VBGA BGA-48 - pitch 0.8 mm BGA-64, 10x10 raster, 9x9mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32f207vg.pdf WLCSP-66, 8x9 raster, 3.767x4.229mm package, pitch 0.4mm; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf QFN, 48 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-ssop/05081887_A_G48.pdf), generated with kicad-footprint-generator SMD capacitor, aluminum electrolytic, Nichicon, 4.0x4.5mm SMD capacitor, aluminum electrolytic nonpolar, 8.0x6.2mm SMD capacitor, aluminum electrolytic, Nichicon, 8.0x10mm SMD capacitor, aluminum electrolytic nonpolar, 4.0x5.4mm SMD capacitor, aluminum electrolytic, Nichicon, 6.3x5.8mm SMD capacitor, aluminum electrolytic, Vishay 1821, 18.0x22.0mm, http://www.vishay.com/docs/28395/150crz.pdf Capacitor SMD AVX-N (7343-30 Metric), IPC_7351 nominal, (Body size source: https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator JST XH series connector, S13B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 501920-4001, 40 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0834-6-81&productname=DF12E(3.0)-50DP-0.5V(81)&series=DF12&documenttype=2DDrawing&lang=en&documentid=0000992393), generated with kicad-footprint-generator JST ZE series connector, SM10B-GHS-TB (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0408-9-51, 8 Pins.

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