Our project uses about half of a 10' x 25' roll of 3mil. plastic, 8- 10', 1/2" dia. PVC pipes, 10 circle screws, twine and plastic holders.
Here are the results:
Bonus- time lapse of our garden this year, 2011
Must take way more pictures next year, I do not even have pictures of our tall beautiful sunflowers that were there. Will do better in 2012!