Ever wanted to run around a death chamber in an orange jumpsuit but never had the means to think with portals? Well now you can give it a go; perhaps. This is just one of the examples I hope to use to get into the Props and Special Effects industry *wink wink*. Rate it if you like it please.
Step 1: Starting steps
Assuming the gun would be approximately 500mm in length, I scaled the first image up in Microsoft Word and then just drew lines to find measurements to get an accurate model. Then using the other screen shots, fill in the details.