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V_margin+12; slider_bottom = v_margin+12; row_2 = row_1 + v_margin + 12; row_2 = working_increment*1 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_3 = working_increment*2 + row_1; working_increment = working_height / 6; // Depth of the top knob working_width = width_mm - hole_dist_side - thickness; // column from edge plus hole radius //calculated x value of exact middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more to mount the circuit board sideways on // h = shafthole_height, $fn = knob_faces); // @todo Refactor the scaling algorithm and parameters to be even. Odd values are -=1 } module knurled_finish(ord, ird, lf, sh, fn, rn) { for(j=[0:rn-1]) assign(h0=sh*j, h1=sh*(j+1/2), h2=sh*(j+1)) { for(i=[0:fn-1]) assign(lf0=lf*i, lf1=lf*(i+1/2), lf2=lf*(i+1)) { polyhedron( points=[ [ 0,0,h0], [ ord*cos(lf0), ord*sin(lf0), h2], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ird*cos(lf2), ird*sin(lf2), h1], .

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