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--Ty-- t1_itjls03 wrote

Google "Torsion Box" and build one out of 2x8" lumber. You'll get the height and stability you need.

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Yourname942 t1_itky1rh wrote

Yeah that could work. So that takes care of the middle (between the plywood boards),

but I'm still not about the bottom of it. will attaching the casters directly to the bottom plywood be enough? (current setup)

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--Ty-- t1_itl5s3y wrote

Given that your platform is so small, you'll only need one cross-menber in the center in the space of a +

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Yourname942 t1_itlhgdm wrote

but the wheels are 2" from each corner + 1 in the middle

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--Ty-- t1_itli15e wrote

You can add a little piece of blocking where the wheels go if you want, but a nut and bolt through just the 3/4" plywood is exceptionally strong.

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Yourname942 t1_itmfzt8 wrote

I'm going to make the middle section (torsion box) then see if I need to add reinforcement at the bottom

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