Help with constructing tortoise tray please

[shellshock]

Hi every one glad to see SW back .
Can anyone help me I have lost the fitting instructions for my tortoise tray haven't a clue where they could be . its the metal tray with run underneath . I've spent hours fiddling with the screws undoing and redoing Grrrrrrrrrrr its driving me mad I've tried every which way and still can't get it right .

Thanks
Jane .