Use PLA since it’s rated as food safe, plus it won’t warp.
The cutters varies in size but I’ve found that min. 14-15 cm in Y direction gives a good result. At that size the internal details prints nicely. Scale them in your slicer.
The outer walls and bottom are 1,5 mm thick to give the cutter some rigidity. 0,25 mm layer height gives you six layers for the bottom. Use 0,5 mm for the bottom/ top thickness if you wish to save some material and print time. Layer three will then become “infilled” instead of solid. The end result with look the same as if all layers where solid.
DO NOT put in dishwasher since the plastic is likely to deform from the heat. Only clean with warm water and dish soap.
download the files on: http://www.thingiverse.com/thing:1764003
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