Proton Pack Gun Mount

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:28/11/16: Have been informed gun mount brackets to not align with holes. New brackets uploaded. Please let me know if there is a problem.

UPDATE 25/08/2016 Added thrower clip

UPDATE 02/11/2014:02:05 NoHoles version added which omits the bracket mounting holes by request.
A full size, 3D printable version of the Ghostbusters' proton pack
gun mount.
Based on Steffan Otto's drawing at:
http://www.gbfans.com/wiki/Stefan_Otto%27s_Prop_Plans
It is a hollow part like all my others to cut down on
plastic usage, but as the proton thrower (gun) needs to be mounted,
it uses an internal 2.5inch x 1.5inch piece of wood which is fastened to the motherboard, and the screws that support the gun bracket
fasten into this.
It also uses a stack of M4 washers in between the gun bracket and
the wood. This mechanic