I have built 5 of these frames for my vegetable garden. The first two have held up so well, I decided to build two more and take the time to document the project. depending on the price of cedar, they cost about $55 each.
6 - 1 x 4 x 8 Cedar boards
2 - 1 x 2 x 8 Cedar boards
4 - Simpson Strong-Tie Z-Max 7 in. 16-Gauge Steel L-Angle
32 - #8 x 1-1/4in Deckmate screws are used to attach the support pieces
32 - #6 x 3/4in for attaching the L-Angles