Step 1: Bill of Materials
Scissors or utility knife.
Some white glue or wood glue.
1 string of Christmas lights.
Pocket knife or Phillips screwdriver (as hole punch).
Step 2: Prepare Materials
Step 3: Scallop the Edges
Step 4: Lay out the tree design.
(In this version, I left about 1" to either side of dead center for the top of the tree. I could have angled it to a point at the top, but I figured that point would just get bent somewhere in production, so I went with a slightly wider top.)