Is it possible to get a high resolution picture closeup of the inside floor of the GF? Focusing on the area that's covered by the laser head. I'm interested in what components aside from the case gusset rail/rib are in there. It might be possible to void your warranty and open up the bottom to accommodate items taller than current the 2" limit. Nevermind the warranty, laser radiation, smoke, fumes etc (former sheetmetal 4.4kw CO2 CNC laser operator).
Assuming that there'd be a compromise in the structural integrity of the enclosure it is certainly possible to design a gusset/fixturing plate that would attach to the bottom of the printer to stiffen and regain the strength of the original enclosure. This would be so much easier if I had hands on access to one. Depending on the design it could possibly simply rivet to the underside of the existing GF floor plate, being slim enough to retain the original feet, or designed to raise the whole printer up and use feet integrated into the stiffening plate.
Depending on the quantity volume a group buy purchase could be arranged to leverage volume buying to reduce overall cost. I know that Davis Tool has turnkey idea to shipping coverage. eg: send them the STL files, and how you want it finished, and they'll laser it, deburr, grain it if desired, perform any press brake ops, install hardware and fasteners (pem-serts etc), prep, powder coat, package, and ship the items. (I used to work there)
I also know of two other shops in the Portland, OR metro area that have similar capabilities (friends/coworkers work there now).
http://www.flatlinefabrication.com & http://profilelaser.com