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Back12.5*3 + tolerance*4; //three knobs plus space between them //left_panel_spacing = left_panel_width / 3 + tolerance*8; right_panel_width = width_mm - thickness*2; left_rib_x = 0; right_rib_x = width_mm - h_margin; left_rib_x = thickness * 1; right_rib_x = width_mm - col_right - thickness; // draw panel, subtract holes union() { shape(fsh, cird+cdp*smt/100, cord, cfn*4, chg); module shape(hsh, ird, ord, fn4, hg) { x0= 0; x1 = hsh > 0 ? Ird : ord; x2 = hsh > 0 ? Ord : ird; y0=-0.1; y1=0; y2=abs(hsh); y3=hg-abs(hsh); y4=hg; y5=hg+0.1; if ( hsh >= 0 module knurled_finish(ord, ird, lf, sh, fn, rn [ ord*cos(lf0), ord*sin(lf0), h2], [ ord*cos(lf2), ord*sin(lf2), h0], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" knurl_hg - [ 12 ] ,, Knurl's.
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