Californian Ray Newstead was inspired by a product he saw and thought he could improve upon. Newstead made his planters out of easy to find plastic containers for a cost of under $25.
Photo: Valencia tomatoes
The plans are free at the Tomato Fest site though you are requested to make a donation to Feed the Children in exchange for downloading the plans.The 16-page plan document format is Adobe PDF.
Newstead's Earth Tainer site looks new; the plans are not available on it yet.