Originally Posted by
Propworn
I have made a copy of the prints and just cut out and contact cemented the copies of the parts on the balsa then cut them out. Be aware prints are not always sized correctly the paper shrinks/grows with humidity and sizes can change with every copy made if the rollers are not in good shape and the machine is not calibrated. Check and compare the sizes on the prints to each other and to the given dimensions length, span height etc.
Dennis
The easiest method for me is to mark 6" bi directional on the original prints somewhere. Then whilst at the copy shop, use a ruler to verify each copy.