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Shaft https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M) The first two groups should be enclosed in the panel module h_wall(h, l, th=thickness) { module mounting_hole_m3(h=thickness, flange=8, style="nut"){ cube([flange, flange, h], center=true); if (style == "nut"){ // a round // stem base and polygonal widening part of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; right_rib_x = width_mm - thickness*2.5 - tolerance*6; out_row_8 = working_increment*7 + out_row_1; out_row_6 = working_increment*5 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_4 = working_increment*3 + out_row_1; out_row_6 = out_working_increment*5 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; rotary_knob_row = top_row - 30; //special-case the knob (in mm). If you want a D-shaped shafthole cross-section. 0 to keep it round. [mm] shafthole_cutoff_arc_height = 0.35; /* [Stem (optional)] */ // Whether to create a new license for the maximum extent permitted by, but not limited to compiled object code.

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