While renovating my 2x3.5 cage into a 2x6 cage, halfway into making the cage lid i realized i miscounted for the cage stand accessories... by 1.5 grids.... 1.5... like really self? I miscounted by 1.5 grids. So now i have to go on and order 2 grids, how frustrating. But regardless, hopefully you can learn from my mistake. Measure twice cut once, or in this case, count your grids more than once.