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{ for(i=[0:fn-1]) assign(lf0=lf*i, lf1=lf*(i+1/2), lf2=lf*(i+1)) { polyhedron( points=[ [ 0,0,h0], [ ord*cos(lf0), ord*sin(lf0), h2], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ord*cos(lf2), ord*sin(lf2), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ord*cos(lf0), ord*sin(lf0), h2], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ord*cos(lf2), ord*sin(lf2), h0], [ ord*cos(lf2), ord*sin(lf2), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ord*cos(lf1), ord*sin(lf1), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ird*cos(lf2), ird*sin(lf2), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h2], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" values may be used for hall sensors, drill 0.75mm (see NXP sot054_po.pdf TO-126-2, 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 1.7mm MultiwattF-11 staggered type-1 TO-220-11, Horizontal, RM 0.97mm, Multiwatt-9, staggered type-1 TO-220-8 (Multiwatt8), Vertical, 2.54mm Pitch Multiwatt 8 TO-220-9, Vertical, RM 0.97mm, Multiwatt-9, staggered type-1 TO-220F-15 Vertical RM 1.7mm Pentawatt Multiwatt-5 staggered type-1 TO-220-11, Vertical, RM 2.54mm, see http://www.st.com/resource/en/datasheet/stp20nm60.pdf TO-220F-3 Vertical RM 2.54mm staggered type-1 TO-220-4, Horizontal, RM 1.27mm, staggered type-1, see https://www.njr.com/semicon/PDF/package/TO-220F-4_E.pdf TO-220F-4 Vertical RM 5.475mm SOT-93 TO-218-3, Vertical, RM 1.7mm, IIPAK, I2PAK, see http://pdf.datasheetcatalog.com/datasheet/irf/iris4011.pdf TO-262-5 Vertical RM 0.97mm Multiwatt-9 staggered type-2 TO-220F-4, Vertical, RM 0.9mm, staggered type-2 TO-220-9, Vertical, RM 2.54mm, see https://www.njr.com/semicon/PDF/package/TO-220F-4_E.pdf TO-220F-4 Vertical RM 0.9mm staggered type-2 TO-220F-9, Vertical, RM 2.54mm, see https://www.vishay.com/docs/66542/to-220-1.pdf TO-220-3 Vertical RM 1.7mm Pentawatt Multiwatt-5 TO-220-7, Vertical, RM 1.7mm, PentawattF-, MultiwattF-5 TO-220F-5 Horizontal RM 1.7mm IIPAK I2PAK TO-262-5, Horizontal, RM 2.54mm, see http://www.st.com/resource/en/datasheet/stp20nm60.pdf TO-220F-3 Horizontal RM 2.54mm TO-220-4, Horizontal, RM 1.7mm, PentawattF-, MultiwattF-5, staggered type-1 TO-220-5, Vertical, RM 2.54mm, staggered type-2 TO-220-7 Horizontal RM 2.29mm IPAK TO-262-3, Horizontal, RM 2.54mm, see https://www.vishay.com/docs/66542/to-220-1.pdf TO-220-3 Horizontal RM 1.27mm staggered type-2 TO-220-5, Horizontal, RM 0.97mm, Multiwatt-9, staggered type-2 TO-220-7, Vertical, RM 2.54mm, staggered type-2 TO-220F-7, Vertical, RM 1.7mm, staggered type-2, see http://www.st.com/resource/en/datasheet/tda7391lv.pdf TO-220-11 Vertical RM 1.27mm staggered type-2 TO-220-7, Vertical, RM 2.54mm, staggered type-2 TO-220-11, Vertical, RM 1.7mm, staggered type-1, see http://www.ti.com/lit/ds/symlink/lmd18200.pdf TO-220-15.

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