Remove the back from your frame. Use the table saw to cut a board to fit the frame, with a little bit of room around all sides for wrapping the tape.
Stripe the red and white Duck Tape on the wood background, using a diagonal pattern. Butt the tape next to each other as you change colors, and fold it over the back. Repeat until the entire board is covered.
Open the free template and print.
Place the template down on the Duck Tape board wherever you want the tree shape to go. Remember that the template can't go all the way to the bottom - a portion of the board will be covered by the frame, all the way around the edge. Stick your template down (just use double stick tape or Duck tape).
Nail around the edge of the template. There are no "rules" for the distance between nails. I'd do about 1/2" - 3/4" between each nail (they're a little tight in the photo).
Pick a nail to start the thread. Unwrap the embroidery floss and go about 1 1/2" up the strand with your finger. Tie a knot around that nail to secure the floss to start.
Begin weaving your floss around all the nails, criss-crossing to fill the area until you are satisfied with the coverage.
To complete the tree, use the template to cut a star out of some gold glitter Duck Tape. Use the craft knife and mat; stick to the top.
Insert the string art into the frame and duck tape around the edges to secure.