A simple answer would be to use a 2 cubes. Place one on the ground plane, rotate the 2nd by 45degrees and place it on top of the first, lowering it until it looks like a regular roof.

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...