alt Hacker NewsThat's why you have to group similar forms. - Bricks - Plates - Narrow Plates - Wheels - Windows/Doors - Smooth pieces - People bin
And then if you like to sort further you sort out the smallest of each bin because those always fall to the bottom when mixed together
sorting by size needs to come first. from my own experience, you can't find any small pieces if they are mixed/covered by larger ones.