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//two knob, one jack, plus space between them right_panel_width = width_mm - thickness*2; // draw a "vertical" wall // h = engraved_indicator_depth * 2, $fn = shafthole_faces); // Adapt to a D-shaped shafthole if desired. Scale([engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3, engraved_indicator_scale * 0.3]) union() { difference(){ color([.1,.1,.1]) panel(width); // Top left: clock in, speed rotate([0, 0, 180] // Left side: meta-step controls } 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], [ ord*cos(lf2), ord*sin(lf2), h0], [ ird*cos(lf0), ird*sin(lf0), h1], .

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