I printed this gun that fires salt to kill flies. A bug-a-salt gun knock-off that works quite well.
https://blossom.primal.net/f4fcb1cf0a04feafa6e24a71d71dc00c79d4def76d694020ddd86a60800f1024.jp...
@Jón Kolbeinn i have printed worse things that worked less well than your fly gun.
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