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Round cutout (to use an m3 nut into // a round shafthole base shape. See knob_base(). Rotate([0, 0, 180] // Left side: meta-step controls } module label(string, size=4, halign="center", font=default_label_font) { } module knurled_finish(ord, ird, lf, sh, fn, rn [ ord*cos(lf0), ord*sin(lf0), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ord*cos(lf2), ord*sin(lf2), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf0), ird*sin(lf0), h1], [ ird*cos(lf2), ird*sin(lf2), h1], [ 0,0,h2], [ ord*cos(lf0), ord*sin(lf0), h2], [ ird*cos(lf1), ird*sin(lf1), h2], [ ird*cos(lf1), ird*sin(lf1), h2], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ird*cos(lf1), ird*sin(lf1), h2], [ ord*cos(lf2), ord*sin(lf2), h0], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" s_smooth - [ 3 ] ,, Height for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // // Whether to create a serrating effect for better grip on the 16-pin IDC connector when nothing is plugged in on the bottom of the knob. [mm] sphere_indents_center_distance = 12; // [1:1:84] /* [Holes] */ v_margin = hole_dist_top*2 + thickness; working_height = height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = thickness + 6 + tolerance; // rib + half a jack.

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