Skull Ketchup Cap
thingiverse
Setting aside the obvious food safety issues here, you should definitely print one for your next Halloween party! You'll regret watching the video, but here it is: https://youtu.be/dgwsM9Ma6t0 See here for stable download: https://social.thangs.com/m/362347 The threads are sized for a standard Heinz ketchup bottle. So gross. In so many ways.
Download Model from thingiverse
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