Nerf Buzz Bee Big Blast Trigger Lever

Update: The lever has seen some war testing now! The most urgent issue is how easily the self-tapped threads strip (a fairly common issue with PLA), which I've temporarily resolved with superglue. I may update the design to rely on that instead of screws.

This is a pull valve lever for the Buzz Bee Big Blast/Berserker air tank. Should fit both 1st and 2nd gens, and also fits a tank from the Spy Gear Signal launcher. (Which is somewhere between 4B gen1/2 size and comes with an odd back pump.) Requires 2 short screws (approx M2 size but maybe smaller; screws from most blasters should work) and may require hot glue for a proper fit once positioned. Different tanks and configurations may require customization, adjustments, hot glue, trimming, etc. as I haven't optimized for each use case yet.

The design is very thick, which *should* be sufficiently durable even in PLA. In addition, PLA does not flex at all. (Despite being more brittle/weaker.) Will test in ABS and/or PETG later to se