Alright I have purchased the items I needed to make the wax mold.
I already had the plywood, I'm going to use 3/4 inch Birch sealed in polypropylene.
I sheet of Foundation.
I got one 30 inch piano hinge (Brass)
One 1/8 inch x 2 inch aluminum strip to make the sides.
A box of 1 1/4 inch wood screws, treated.
7 tubes of Premium Waterproof Silicone II -- says it's Permanently waterproof, flexible, Shrink & Crack Proof
Since the weather is bad ( Ice Storm) I will start putting it together tomorrow in stages.
So far I have $75.00 in parts.
I will take pictures as I build it.