translate([-.1, -.05 * deck_flange_height, 0]){
rotate([0, -45, 0]){
cube([deck_flange_radius * 1.5, // 1.5 is bigger than sqrt(2)
translate([-.1, -.05 * deck_flange_height, 0]){
rotate([0, -45, 0]){
cube([deck_flange_radius * 1.5, // 1.5 is bigger than sqrt(2)