The file 'Amazon Fire HD10 Gen9 (2019) Stand 3D Printer Model' is (stl) file type, size is 20.2KB.
Stand for the Fire HD 10 Gen9 2019 Model.
The model is more or less generic and parametric so you should be able to adapt this to your needs as in different angles or other tablet types.
https://cad.onshape.com/documents/26a4313e5ca69b08a8960d03/w/b5cd94d006e72c816b8c66b4/e/c5618536e340cf9253a43bc4