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Summary: We're creating a vaulted tray ceiling in a house that started as a double-wide mobile home. I want to model the existing "trusses" so that I can figure out how to do the rafters to frame out the new ceiling. I cannot figure out how to do this though.
This house started out as a double-wide mobile home. It's been remodeled several times, huge portions added, walls rebuilt in places, rooms moved, walls removed. But the roof structure through the middle of the house is a 2.5/12 pitch, framed as follows: 2x2 rafter, 2x2 joist, 16" OC, with 12" pieces of 1/4" paneling used as gussets every 12". The tall wall has 1/2" plywood as a ridge beam. I attached a drawing that shows each side.
I tried changing the rafter and joist settings to 1.5" x 1.5", but it insists on building roof framing with 6" rafters floating above the walls, and framing the tall wall with studs that are in the room wall below.
I tried to manually draw the framing in like the CAD detail drawing I attached, but I can't figure out how to rotate the 2x2 rafter to the 2.5/12 pitch angle. I figured I'd draw one "truss" manually, and then replicate/copy it across every 16". But after about 6 hours (admittedly I'm new to this app) I still couldn't figure it out.
I put both sides together, and added the 2x6 rafters and 2x4 cross brace. Then we plan to cut the trusses back flush with the rafters and brace. The wall will be coming out of the middle. There's no code here, unincorporated county, so no building inspection to send this through.
Is there a way I can take this CAD drawing and use it for the actual rafters - extrude the 2D shapes into 3D?
I created roof trusses using the roof truss tool. I am not sure why the are not displaying in the camera views - even when I have "all on" in the view set.
The trusses show up on the floor plan and in the cross section/elevation view.
In the photo, you will see the roof extensions that I created using 3d boxes displaying, but the main roof trusses (TR1) are not showing.
Also, I was originally able to create the trusses using the truss tool.
Now I get an error "Could not create roof truss at this location because no roof planes were found" and I did not change any of the roof/ceiling specifications.
Any help is appreciated.
Thank you kindly. -Jason