My family had one from decades ago that's falling apart, so I made a replacement. I went with toothpicks as little dowels to help join the crossbars to their supports, since the flat glue joint didn't hold for all of them.
I had this one on my list for a while, but also recently found a video from 3x3 Custom doing the same project.
It lifts out so you can easily empty the crumbs.