Jun 24, 2018 · I designed some brackets and dividers to put in my IKEA "Alex" Drawer. I would measure the dimensions of your drawer first because IKEA is known to change dimensions of their furniture from time to time. If the dividers aren't the right size for you, they are just 1.8mm thick and 39mm tall rectangles. To keep the brackets in place, I am using double sided 3M tape. No supports necessary. Just ...