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Back(top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); cutout_height = board_height - (top_margin * 2); hole_horiz = (board_width - hole_hdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; hole_margin = 1; //non-printing, barely-visible outline of component footprints width = 17; // [1:1:84] working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; working_height = height - hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness*2; // draw panel, subtract holes union() { difference() { difference() { linear_extrude(height) railProfile(); railSupportCavity(height); } } // Something Positive elseif (strpos($article['link'], 'somethingpositive.net') !== FALSE) { $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article); } // Least I Could Do (wtf image size? If(preg_match("@.*(