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BackA 2d version v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); //outline of whole PCB cube([137.5, 97, 1], center=true); working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - 10 ohms between U1-14 and U2-1 when off, more like 1M when off - Single Step - 12V through 10k Ohms to U-1-14, more like 1M when off .
- 3528 CLV1A-FKB LED Cree PLCC-4 5050 LED.
- 0.665275 -0.392534 0.63508 facet normal.
- Handsoldering Diode SMF (DO-219AB), http://www.vishay.com/docs/95572/smf_do-219ab.pdf D_SOD-128.
- Switch - 9.5mm, +5mm extra space.
- -0.449667 0.547914 0.7054 facet normal.