Here are some updated pictures on projects.

First the Mask for the Tech Adept, made from a Kroenen-Mask and added polystyrene, kabels and hoses:

 

 

  Now the Staff/Power Axe, made from polystyrene and PVC pipe:

And this is some sort of harnish of the Adept
Started like this and made from EVA Foam mats:

And it now looks like this:

One project I finally finished was a M8 Assault Rifle
Started like that, made from EVA Foam mats:

 

 And it now looks like this:

 And a few other things made from the wonderful extruded polystyrene

 A X-Com Laser rifle which looks like this:

And this is my version:

And a Halo Magnum: