Ghostbusters Particle Thrower Proton Gun Neutrino Wand Grip

I decided to make a more screen accurate version of this grip to match the ones seen here:

http://i.imgur.com/vkj2zZW.jpg

and on this build:

http://ironmanofmaine.weebly.com/stark-industries-ghostbuster-tech/3d-printed-proton-pack

It seems most people were buying a resin cast or even a printed grip from another site and I couldn't find any other model with a close enough shape so I remixed tgoacher's grip, http://www.thingiverse.com/thing:574866 , using tinkercad and made this.

It