I made a sheet of standard window inserts in MSN Paint, then made a window plug-in so I don’t have to measure every individual window opening. For door openings I just use the door I’ll be using.
Sample boards are useful when trying out ideas. The one on the left was for testing shingle stain colors. the one on the right was for wall texture testing. and the bottom one was for testing wall filler as a wall texture.
NEXT: Simulating wattle and daub.