I'm not going to be able to build a collar easily. I don't have alot of tools, and I'm trying to do this without spending any money that isn't necessary. I also don't have a ton of room, I'm in an apartment so space is a concern as well as portability because I'm eventually going to have to move this thing.
Pictures now that it's been liberated:
My current thought is to carefully relax the coiled piece in the second picture to the point that the freezer can be pushed against the back wall. I'm going to find something to strip the white coating off a portion of the rising tube and see if it will shed any light of what type of metal it could possibly be. I'm guessing copper since that's what's running from the compressor to that spot but not sure since it's so straight and rigid.