How many of us just nail up a piece of hardboard and start slinging paint at it?

How many of us just nail up a piece of hardboard and start slinging paint at it?
What they don’t teach you in geometry class is that low-grade 5/16″ plywood has a mind of its own, especially if it has ever gotten wet.
The other day I happened to check my Facebook feed for activity in a group I belong to. This group is dedicated to the (memory
Ramblings about model-building, model railroading… railfanning… and life