Here is a quick collection of some 3d printed parts trays. The large one has mounting holes on the back and feet on the bottom. The two smaller ones have mounting holes on both the back and sides, and have feet as well.
The large one will require a bed that is at least 400x300mm, the 3 tray can be made on an ender 3, and the 2 tray will fit nicely on an ender 2.
The author marked this model as their own original creation.