um. may I recommend a slightly safer design?

cut a 2" strip of the plywood you use on the midsheet, and go around the bottom edge extending 1/2" beyond the top. that way, the crib you stack on top, is FIRMLY locked in place to the bottom one. slightly increases the stability of the crib.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!