This is a variant from my previous design : https://www.printables.com/model/231240-coaster-printing-in-progress
There is 2 sizes available :
You can print the parts without support, I suggest using a brim on the nozzle if you're struggling with bed adhesion, you can add a bit of superglue for a perfect joint.
The prints above are made from Prusament Chalky Blue and Pistachio Green PETG (0.16 layer height, 0.2 should be fine) and Amazon EONO silky silver PLA (0.2mm layer height).
Enjoy your drinks !
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The author marked this model as their own original creation.