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STEP 3
Assemble The Aviary's Top Frame Joists
3.1 Provide the top frame joists using 3 1/2" x 3 1/2" and 1 1/2" x 3 1/2"pressure-treated material.
3.2 Make the round handle from the dowel 2" diameter and put it in round opening.
3.3 Secure the joists to the top frame with 4x5" wood screws.
3.4 Using a speed square or carpenter's square, check the corners to make sure they are 90 degrees.
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