This is a sample of the LadderMaster dialog that will drive the whole program.
There will be a default for all the info needed to draw the ladder (except height "T/O landing (B)", and "Head clearance (C)").

Six easy steps to a complete shop drawing:

2) Pick the leg size from the drop down material list.
Then, enter the leg spacing (will become, inside-to-inside).
(this info will also update the main dialog in info sections "D" & "E")