[wilsonmw04]

Originally Posted by AlecMataloni

Although 1/8" material is pretty hefty, you're missing an opportunity to add essentially "free" stiffness to your frame members by only using L shaped metal pieces instead of "C" shapes.

I would recommend that you add a continuous bottom flange to every piece of sheet you have in this photo.

With the type of drive we are using, a bit of flex is a good thing. This is the 4th year we have used a frame of this nature without any notiable need for more stiffness.