This is a 3D printable "Resin" style tabletop for an end table. The idea is you build the base of the table in wood using these plans. Ana White has awesome plans for lots of furniture!
https://www.ana-white.com/woodworking-projects/rustic-x-end-table
So this is cut into small sections so it can be printed on just about any printer. Dowels are included to glue the sections together. The sections have been cut using the Luban Make it Big program. https://www.luban3d.com/
Suggest using a wood filament or all one color of your choice for the sides. Get creative for the middle!!
The author hasn't provided the model origin yet.