For this week's toy-related release: I have created a movie-style version of the proton pack accessory that is compatible with your vintage Ghostbusters toy figures. It is also compatible with all of the other toy accessories I have been publishing lately - namely the Ecto Pack Gurney!
The parts shown in these photos were printed with a black PLA filament by Hatchbox. I used and Ender 3 to make my parts using a 'fine' print setting in Cura as follows:
To finish the part, I used 22 awg black coated wire to attach the pack to the blaster!
I am making this material and content for the 3D Printed parts available under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. License text is included in the attachment!