Oil fill door tube support, interior mount.....
I use this little tube frequently, but the Velcro I rely on to secure it in the cabin is wearing out, so I needed a better storage solution. A simple string might suffice, but I prefer something more secure. I came up with a prototype cabin mount for this little tube—a small thing, but it gets a lot of use. 
 
 
 
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the first print seems good enough for testing
 
 

Steve Melton
N531EM, RV9A, Superior O-320, WW 200RV prop, Slick mags, CHT 330F, EGT 1300F, B&C, 1400+ hours
Freedom and Democracy are all that really matter. 
Ride a bike, unlock the world.
https://www.rvplasticparts.com/