The file 'Stackable Parts Tray Lid 3D Printer Model' is (stl) file type, size is 51.5KB.
A lid for your stackable parts trays.
Thanks to zoula for the double parts trayhttps://www.thingiverse.com/thing:2790297
And also to motoi1484 for the original designhttps://www.thingiverse.com/thing:950022