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6.25mm package, pitch 0.4mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f378vc.pdf WLCSP-72, 9x9 raster, 3.639x3.971mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f303zd.pdf WLCSP-100, 10x10 raster, 4.775x5.041mm package, pitch 0.4mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the articles that helped implement this. Ct = -0.1; // circle translate? Not sure. Pad = 0.2; // this one is easy hole_bottom = hole_top - 89.75; hole_right = hole_left + 78.5; // Step count (sw11 // Width of module (HP) width = 40; // [1:1:84] /* [Holes] */ // // // Whether to place the knob before its final position. [mm] // Height of the knurl this value, i.e. 40 will snooth it a 40%. "); Parametric Potentiometer Knob Generator version 1.1 2012 Steve Cooley ( http://sc-fa.com , http://beatseqr.com , http://hapticsynapses.com ) © 2021 Matthias Ansorg ( https://ma.juii.net /* [Basic Parameters] */ // Line segments for circles FN = 60; // [1:1:360] // Unit size (mm /* [Panel] */ wall(h=10, w=height-hole_dist_top*2-32); // decoration? Surface("FireballSpellSmall.png", center=true, invert=false); module label(string, size=4, halign="center") { color([1,0,0]) linear_extrude(thickness+1) text(string, size, halign=halign, font=font_for_title); //} // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top edge or circumference using cones.

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