Grocery Tote Support Frame

I got tired of our recycling totes (reusable grocery bags) collapsing and getting smooshed by the contents so I made this frame. Unfortunately, my measurements of the height got messed up (likely forgot to subtract the frame height when designing legs), so I tried another bag without the middle extension piece. Dimensions - 320.6mm (L) x 244.4mm (W) x 393.7mm (H)or 299.2mm (H) without the pieces on the “Tall Addition” plate added. Those pieces are shown as semi-transparent in the screenshot of the CAD model.