HO Scale Roundhouse

1/21/23 I added 3 new files. Engine Doors for layered extrusion, Engine Doors No Glass, and Engine Doorway Only.

I Updated the files to fix the problem with the doors clearing the track.

A full size Roundhouse printable on a 7 inch bed.

Whew! This was a challenge. A few weeks ago a fellow MR and 3D associate Bill Schonfelder from Killeen TX suggested I model a roundhouse. So Bill, here it is.
Unlike my other models I have not assembled and painted it because I all ready have a roundhouse, so I don’t know if there will be any issues with it. If there are, let me know ([email protected]) and I’ll get them fixed asap. I am printing critical and interfacing parts to make sure they fit together well.
My roundhouse is modeled to associate with a 90 foot turntable which means it will fit engines up to 12 inches. The doors are on 15° sections with about 3 inches between the turntable and the roundhouse.
The doors are hinged using a piece of 3/64 inch brass rod. To that end the