Download the two PDFs below, or download the vector files from Thingiverse
Print out the first image with the two smaller parts on one piece of paper. This will become the house and roof.
Print the second image, the base, on a second piece of paper. The assembled house will be mounted to the base.
Cut around the outlines of the house and roof.
Use a knife or razor blade to slice along the diagonal line in the base.
Fold the parts along the dotted lines.