Here’s a paper house I designed, cut and folded from Manilla Folder paper, white art paper and 1mm paper stock (for the stairs). The model is 5 cm=2 inches tall.
The design is based on an old Italian Villa, image included. I think that with the technique I used, I could go from a design sketch to a paper model in a few hours. Could be a cool gift for someone with a cool house?
I’m sure any software would work, the issue is that I want a mesh with actual holes in it. Otherwise Pepakura (I miss-spelled it before) will try to make foldable structure for every window and door inset. These can be deleted in Pepkakura, but that becomes a hassle.
This is what a foldable house looks like in Pepakura
And this is the house, with holes. Note the alcove at the bottom of the tower, that didn’t work out, I was unable to fold that properly. I should have put a backing piece of paper on the inside and that would have worked better.
(The model looks extremely squiggly, but that’s Pepakuras way of showing where edges are, nothing to worry about)
Without holes cut, every window/door inset would produce a piece like below. That piece is the actual insides of the alcove, so it’s rounded at the top and thus more complicated than a square hole would be.