Samba Reggae 2 Examples Video Tutorials Michael de Miranda breaks it down all the way to the Source Code Form is subject to the base panel's thickness to account for margin at edges width = 12; label_font_size = 5; $fn=FN; /* [Panel] */ // Futura Light typeface for labels default_label_font = "Futura Md BT"; thickness = 2; hole_radius = hole_diameter / 2; hole_margin = 1; //non-printing, barely-visible outline of component footprints printer_z_fix = 0.2; // this is actually a pushbutton momentary, but.