Proton Pack Injector Tubes

UPDATE 2/12/17. This part was used in the Ghostbusters Station 6 fan film. Check it out on youtube at https://www.youtube.com/watch?v=RHMUsQqLmRg

Update 4/2/15: Power tube base now has two mounting holes for each tube. This allows for a PCB slot in the power cell which has also been updated:
http://www.thingiverse.com/thing:507294

Full size, 3D printable versions of the injector tubes from
the Ghostbusters' proton pack.
Based of Steffan Otto's plans at:
http://www.gbfans.com/