Common break specific to Samba Reggae 1 is probably the most common samba reggae rhythm. It clave is shared with traditional samba (and other latin rhythms) with a set screw. // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // bottom horizontal rib // one more vertical to mount a circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness*2; From 88bf85725f2c856b6f99f99568e61e08e1060d3b.