wood_thickness = 5; acryl_thickness=5; acryl_outer_dia = 100; acryl_inner_dia = 94; lamp_dia = acryl_outer_dia + 10; screw_dia = 6; acryl_height = 300; inner_height = acryl_height - 10; bottom_box_height = 50; bottom_box_wall_width = 37.5; bottom_box_wall_offset = 48; tooth_height = wood_thickness; tooth_width = 5; tooth_distance = 2*tooth_width; holder_width = 20; holder_offset = holder_width+wood_thickness*1.6; cable_hole_spacing = tooth_width; $fn=50;