row_2 = row_1 + vertical_space/7; row_3 = row_2 + vertical_space/7; row_4 = working_increment*3 + row_1; //special-case the knob before its final position. [mm] shafthole_height = 12; // overkill; currently three 3.5mm jacks needing 8mm //calculated x value of exact middle of panel after deducting left/right sub-panels // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more vertical to mount the circuit board to module make_surface(filename, h) { } $article = $this->alt_textify($article); if (GDORN_DEBUG && $article['debug']) { foreach ($article['debugging'] as $msg) { $article['content'] = $img_tag . $article['content']; } Added.