After some thought I have decided to first develop an egg-shaped container that will conveniently hold one gallon of paint. I had to look up a volume formula for an ellipsoid and convert some measurements back and forth. I might go back to metric and refine things a bit. At this point I'm merely happy to develop an armature out of styro-foam that can be found in a home improvement store at 1/2" thick.
Illustrations follow which approximate the measurements I need:
The basic armature.
The short side.
The long side.
Remaining Panel Moulding - After having set the margin pattern earlier with the first wall it was onto the rest of the room with the three wall sections opposite the window and the f...