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3D printing eggshells

created by: Arne Ryckewaert, Keanu T'Kindt, Eline Voskuilen


Xantaan             12g

Distilled water     300 ml

Eggshells            360 g (find local)


  • cooking pot

  • spoon

  • stoneflower (3D-printer)

Uses and difficulty


Bio alternative for PLA printing





Recipe on materiom


Step 1:

Step 2:

Step 3:

Step 0:

prepare the digital model you want to print, more information about the software can be found here

Printing specifications: - Layer height: 2mm - Speed: 25 mm/second - Pressure: 0.08 bar

Step 1:

Weigh all ingredients and then mix water and xanthaan. Stir until it is an homogeneous paste

Step 2:

Step 3:

Step 4:

Step 5:

Grind the eggshells into powder
Add eggshells to the paste

Fill the extruder tube with paste, avoid air bubbles

Ensure that the square nut is against the plunjer to push forwards

Prime the nozzle by pressing extrude on the screen

Start your print by connecting with 'Pronterface'. Load the file and press print

Depending on the consistency edit the material flow (use between 100%-140%)

Wait for the print to finish

Step 6:

when finshed, clean remove the extruder tube and wash out all parts that came in contact with the eggshells when it is still wet, don't forget to clean the nozzle and the red nozzle body

Step 7:

Store your print until it is completely dry, this may take 2-4 days depending on the size

End Of Life


  • Printed prototype (when soaked in water)


  • printed prototype

Other form of waste


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