Building a Recumbent Trike Seat.

 by kentdvm
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Step 4: The seat press

A press is needed to hold the wood in place while it dries.  The concave surface of the original template is used to make the first bottom piece using 6" wide plywood.  After making the first piece for the base, it is used as the template for trimming the remaining 3 pieces so they are all exactly the same.  

In a similar fashion, the original template is used to cut one of the upper pieces.  The only difference with the 4 upper pieces of the press is that they are 1/2" smaller than the original template.  The reason for this is that the seat will be 1/2" thick and making the upper pieces smaller accommodates this thickness.  So after trimming the first piece to match the original template, a line is marked 1/2" inside the edge and the 1/2" is trimmed off.  The trimmed upper piece is then used as the template for the remaining 3 pieces of plywood.  

The 2 halves of the press are glued together with 2" thick blocks between the plywood pieces.  This makes the total width of the press 9" which is sufficient for a 10" wide seat.
 
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