Here's a shot from the back, showing the inside. Place for wings on top, middle tray slides out with room for 2 60 size planes, or one 25%. Bottum is 28% WHedge in cradle made of pvc that also slides out.
Construction was 2x2 wood, with 1/2 ply skin, 3/4 treated floor, gorilla glue on everything and screws.
Took about 3 weeks of working on it part time, and under $500.