To print this i used the following settings: Layer Height: 0.2mm Shell Tickness: 0.6mm Spiralize Bottom of 2mm 0% infill Speed 50mm/s On a Ultimaker 2 with these settings at full size (190mm x 100mm x 140mm) it takes 10h to print and uses about 24m of filaments. The second part can be printed and glued to reinforce the part where it is fixed on the wall. Top and Bottom of 0.8mm Shell of 0.8mm and infill of 30%