FDM stands for liquid deposition modeling and refers to 3D-printing with semi-viscous to viscous materials such as clay or food pastes.

Safety Rules for Lutum 4 Clay Printer

• Keep the work area clean and free of any debris or obstacles, which can cause accidents or affect the performance of the printer.
• Only use clay that is compatible with the printer (low levels of grog), and follow the instructions for loading and unloading the clay.
• Check the air pressure gauge and ensure that the pressure does not exceed the recommended limit of 4 bars. Never attempt to increase the pressure beyond the recommended limit.
• Never touch the printer's moving parts or attempt to reach inside the printer while it is in operation. This can cause injury and damage to the printer and you.
• When finished using the Lutum 4 clay printer, turn it off and disconnect the pneumatic tube.

Instructions for Lutum 4 printer

Please only use this printer after talking to Makerspace staff.

• How to use the Lutum Clay Printer at A-huset, LTH (PDF, 16.3 MB, new tab)
• FAQs on VormVrij's Lutum page (scroll down to Support & Answers)
• Instruction videos on Yao van den Heerik's (at VormVrij's) YouTube channel

Slicer profiles

• Silkworm config

Manual slicer setup

More printer profiles to come, but can also be set up manually by defining size of build plate (430 mm x 460 mm x 500 mm), gcode flavour RepRap (instead of Marlin) and start and end gcode.

Start gcode

G28 ;Home 
G1 Z15.0 F6000 ;Move the printhead up 15mm 
;Prime the extruder 
G92 E0 
G1 F200 E3 
G92 E0

End gcode

M104 S0
M140 S0
;Retract the filament
G92 E1
G1 E-1 F300
G28 X0 Y0
M84

Cura screenshot