Sifter Funnel Tray, Sifting Tray, 3-Pack (9.5 x 9.5 x 1.5 inches)

Not homemade, it a hardware parts sifter. I think the thing it makes easier is finding all the 1x1s. Sifter Funnel Tray, Sifting Tray,... https://www.amazon.com/dp/B09B8WLGMG?ref=ppx_pop_mob_ap_share