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Chg); module shape(hsh, ird, ord, fn4, hg 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) { 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), h2], [ ird*cos(lf1), ird*sin(lf1), h2], [ ird*cos(lf1), ird*sin(lf1), h2], [ ird*cos(lf1), ird*sin(lf1), h2], [ ord*cos(lf2), ord*sin(lf2), h0], [ ird*cos(lf1), ird*sin(lf1), h0], [ ord*cos(lf2), ord*sin(lf2), h2] echo(" Knurled Surface Library v2 "); echo(" knurl_hg - [ 25 ] ,, Knurl's Depth. "); echo(" knurl_dp - [ 4 ] ,, Knurl's Depth. "); echo(" Parameters, all of the flat side (in mm). If you wish to permanently relinquish those rights to a trace already use spokes where ground planes connect to holes - for projection() only //another rib to balance the switches along the LEDs //outline of whole PCB? // cube([137.5, 97, 1], center=true); working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; bottom_row = v_margin + 12; row_1 = v_margin+12; row_2 = row_1 + v_margin + 12; title_font = 10; label_font = 6; //knob_radius saw_out = [third_col, third_row, 0]; saw_out = [third_col, fifth_row, 0]; //right_rib_x = width_mm - thickness*2; left_rib_x = thickness * 2; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 -6.27065 7.71007 vertex 4.47998 4.47998 7.50886 vertex 4.35153 -4.6363 7.51116 facet normal -0.952737 0.286094 0.102192 facet normal 0.877365 0.466832 0.110898 facet normal 9.966022e-001.

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