The centripetal arm (as a proof of concept) seems to be plausible however a fake instrument, one that doesn't actually make noise, but rather is just something that looks like an instrument is probably where this arm idea should go next. The next key version was not successfully printed, but should be printed first thing next week. Started coming up with arms that have a camera integration. Still need to practice with fusion 360 to be able to create more complicated and polished designs.
'Periscope' arm
Rock on arm