Engineers Cairn Cup

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I would highly recommend printing this with ABS or Taulman's 618 Nylon, as PLA's lower glass-transition temperature (60-65 degrees C) will easily be reached during a dishwasher cycle. Print with the smallest side up, internal overhang angles are small enough to not need any supports. If you're printing with a raft, use a heatgun on the underside where the raft detaches. This will get rid of the lighter-coloured "stressed" plastic and help make the part water-tight. I want to stress that although this part functions as a beverage container, don't use it unless you've considered the safety of using 3D-printed foodware. The common plastics used in printing, ABS and PLA, have certain grades that are considered foodsafe. However, running any form of plastic through a 3D printer will introduce oils and other volatiles into the plastic. In addition, the cavities within a printed part (even one with 100% infill) will never be fully cleaned (by hand or in a dishwasher). It all comes down to this: use this to hold beverages if you've considered the risks and judged them worth it.