I would set up 3 single roof planes along the correct pivot lines, at the height and pitch you want.
Then manipulate the shapes to approximate the roof planes you want - it is really just the correct number of edges that are important.
Then you select one of the roof planes and CTRL+click on the edge of the adjoining roof plane that will connect to it.
Now select that second roof plane and CTRL=click on the edge of the first roof plane that would connect to it.
Basically just joining all the edges to form the hips and ridge.
Adjust the edge of the eave overhang so they all match at the corners if you need to and and stretch the right hand side to where you need that to be.
One of the forum moderators.
Versions 6.5 to 25
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