The file 'Holiday Lights Globe Adapter 3D Printer Model' is (stl) file type, size is 8.6KB.
This is made to work with the Holiday Lights Globe found here: https://www.thingiverse.com/thing:5136421
This makes it possible to use the more typical shaped pixels, which are usually cheaper than the flat ones.
Xmas_Ball_Bracket__Adaptor.stl | 47.2KB |