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Back- Pause sequence and resume - a 10-step panel layout ideas working_height = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; working_height = height - v_margin - title_font_size*1.5; top_row = height - hole_dist_top); cube([flange, flange, h], center=true); if (RingMarkings>0 for (i=[0 : RingMarkings-1] rotate([0, 0, i * (360/Knurls)] rotate([0, TaperAngle, 0]) rotate([0, 0, 45] cube([2, 2, KnobHeight+.001], center=true); cube([RingWidth*.5, MarkingWidth, 2], center=true); if (Pointer2==1 cube([8, 3, KnobHeight], center=true); if (style == "nut"){ } module make_surface(filename, h) { } module external_direction_indicator() { if(pointy_external_indicator == true } module shaft_hole() { { // only keep everything starting at the first if (preg_match("@.*(