Building a wakeskate.

Hey im building a wakeskate this weekend and so far i got the design and the cardboard trace out of the shape. if im using 1/8 inch maple how many layers do i need? I was thinking three or four or sould i do 1/4 inch maple and use 2 or 3? any info on wakeskates youve made would be nice thanks.

you have to make it atleast 3 ply no matter what design so atleast 3layers