Sometimes you almost need a third
hand to assemble a project.
Especially working with large pieces
of plywood. To help me keep the
pieces aligned, I use assembly blocks
made from scrap.
I made these blocks from medium
density fibreboard (MDF) with
intersecting dadoes cut in the middle
(pieces of plywood or solid wood
would work as well). Just set the work
pieces in the assembly blocks or
place the blocks on top to hold the
pieces in place until the clamps are