Sorry Ty I don't have plans formy Imitation Plus Yes the wing is lost foam , on the fusalage all I did was
use the same moments of the profile with a 1" longer nose for balance,and mold all parts to keep it light.
I flew one of are club member's profile Imitation and it flew well but I think the built up fusalage is a better plane. the top one is #1 and the other is #2