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About I started Dark Productions because I was tired of seeing all of this cool media come out and you would want to touch and own the stuff in it but the companies wouldnt produce it because it wouldnt sell. So I started my company to specifically cater to the needs of cosplayers, geeks, nerds, dweebs, etc just like me.
Noes, Aperture.Science.Hand-held.Portal.Device. the portal gun. there is a page on volpin props where someone has built what is essentially the real thing.and another on instructables but it not as good.(white shells are not very smooth.
they used 4 and 3 inch PVC for the barrel and florist foam for the shells, I am cheating using cardboard tubes for the barrel a tennis ball tube for the transparent tube and a sheet of pvc type stuff to make the spokes on the ends for the front shell i tried polystyrene cut int shape then bent round to fit but this isnt working too well.