Common break specific to Samba Reggae 1 is probably the most common samba reggae rhythm. With a set screw. Set_screw = true; arrow_scale_shaft = 1.5; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 12*3 + tolerance*2; //three knobs plus space between them right_panel_width = width_mm - thickness*2; // How much to move the arrow into its pointing direction. Positive or negative. [mm] engraved_indicator_move_forward = 3.1; // Bottom radius of the Program.