use sticker_side = 25; tray_inner_side = 25 * 1.25 - 4; union() { hexagon_lid(side = tray_inner_side); for (i = [0:6] ) { rotate([0, 0, 60 * i]) translate([0, (tray_inner_side) * sqrt(3) + 2, 0]) hexagon_lid(side = tray_inner_side); } }