LulzBot ABS 3D Printer Filament, 3 mm Diameter, 1 kg Spool, Red Hot-end print temperature 220-250C Adheres well to PEI print beds when heated to 100-110 degrees-Celsius ABS shrinks slightly as it cools which can make it challenging to print large or tall objects due to warping and layer delamination. Enclosing your printer to increase ambient temperature can help