On one end of the 1"x 3" board measure 2-1/2" and mark to cut. Then draw crossing line to find center.
At intersection of lines, drill a 1-7/8" hole with Hole Saw.
Cut piece of wood at 2-1/2" mark. Repeat steps 1 & 2 to make three tube holder pieces.
Measure 8-1/2" and mark on 1"x 3" board, cut to length.
Cut 1"x 6" board to 9-1/2" long. Sanding pieces prior to building can make the process easier before final assembly. Refer to last page for sanding information.
Align base piece to bottom edge of back board and center. This will give you a 1/2" space on both sides. Attach with glue and pin nails from the back.
Follow diagram for mounting location of tube holders. Attach with glue and pin nail from the back.
Finish to your desire.