This is still a work in progress so be kind :)Ive wanted to make one of these for a long time and finally got around to modeling it and printing. The model was printed at 1:4 on a ProJet SD 3000. I am not sure how it will come out on other machines but it looks good coming from the ProJet. Just a warning the "claws" are very fragile so be careful and print a few extra!This is my first attempt so there will be changes in the near future: -Claws are too thin, need to beef them up a bit -Add built in battery compartment for LED lighting :) -Work on spring mechanism for claws -???The STEP file is available here ( http://grabcad.com/library/portal-gun ). If you would like the SolidWorks model send me an email.Enjoy! https://picasaweb.google.com/bruins.scott/PortalGun?feat=directlink3D Print: !Warning! STL files are 1:1 will need to be scaled down.