The file 'Circular Air Spinner 3D Printer Model' is (stl) file type, size is 3.5MB.
I love the original designRemix in a circular shape because.... my son wanted 'one circle and not a square' !
source : https://cad.onshape.com/documents/229f6b62f32823ed8dd2c9fe/w/08ed174227daa52be51efabc/e/dcf7aaf74e6162c4a2057a8b