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BackArticles that helped implement this. Ct = -0.1; // circle translate? Not sure. Circle_radius = knob_radius_top; // just match the top (mm h_margin = thickness*2; v_margin = hole_dist_top*2; left_rib_x = thickness + 6 + tolerance; extra_depth = 75 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height * rotate_vector_cos; points = [ [left_edge, rotate_vector_cos * rail_depth], // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height + rotate_vector_sin * rail_depth] // top horizontal rib h_wall(h=4, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // one more to mount the circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // Create a hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1776812 12A Generic Phoenix Contact connector footprint for: GMSTBA_2,5/8-G-7,62; number of pins: 06; pin pitch: 3.50mm; Vertical; threaded flange || order number.
- Probably want to create a D-shaped shafthole.
- 0.452781 0.137351 0.880979 facet normal 0.615692.
- And smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a setscrew).
- Holes 25mm, distance of mounting holes.