Step 3: Step Two

  1. cut the cheap 1"x2" to around 2" chunks
  2. align the 4" pipe with the hole on the plywood
  3. with wood glue, use three 1"x2" chunks and secure them around the ABS with a brad nail gun or staples
  4. do this for all of the holes
  5. attach the 3" board to the bottom of the 2"x4" framecarefully, using 1 1/8" screws, secure the plywood to the 2"x4" frame

  6. cut six 2"x4" chunks slightly shorter than your ABS pipe and screw them in, in between your pipe.