Ultra, Rival, Hyper, Missle, Balistic Ball, "Dart" fly
thingiverse
Ultra, Rival, Hyper, Missle, Balistic Ball, "dartflys". Glue sides to the flappers and use e600 or similar to the ammo holder on the rival, hyper, ultra, and ballistic ball variants. May require supports; I didn't use any but may vary. Credit to https://www.thingiverse.com/thing:4188509 dimensions for ez creation of a negative hole in the ultra variant.
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