The file 'Dg 800 Glider Scale 1/72 3D Printer Model' is (stl) file type, size is 639.3KB.
On my cults page you can download planes like this one on a larger scale and detail, they are for sale for 10 euros https://cults3d.com/es/usuarios/ivangonzalezm/creaci%C3%B3n