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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; hole_right = hole_left + 78.5; // Step count (sw11 // Width of module (HP) width = 40; // widest element is rotary, at 30mm right_panel_width = width_mm - thickness*2; // draw a "vertical" wall to mount the circuit board to, dead center wall(h=6, w=height-hole_dist_top*3-4); // color([1,0,0] // surface("FireballSpellSmall.png", center=true, invert=false); } module rail(height) { difference() { difference() { union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 9.46879 3.54602 facet normal 3.747900e-15 -3.594652e-15 1.000000e+00 facet normal -0.901636 -0.420949 0.0992679 vertex -9.29776 -3.68124 0 facet normal -1.193566e-03 0.000000e+00 9.999993e-01 facet normal 0.816006 0.545394 -0.191519 vertex -3.08508 -1.31929 18.4628 facet normal 0.773058 0.634335 0 facet normal -0.796853 -0.241727 0.553709 facet normal 0.0905846 -0.86972 0.485161 facet normal -0.106261 -0.442582 0.89041 facet normal -0.116041 -0.000467445 0.993244 vertex 6.9148 -0.996058 7.89166 facet normal -0.192821 0.747983 0.635092 facet normal 9.106134e-01 -1.135808e-03 4.132577e-01 facet normal 0.828719 -0.0816185 0.553682 facet.

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