Angled to dodge the cooling ducts.

If you want, you can mount a GY-521 MPU-6050 board on top, with the same screws (and some plastic standoffs so the screw heads don't short the board).

Here's the source! Feel free to copy and edit.
https://cad.onshape.com/documents/ed50a4f68b91d40b879d1c81/w/6e7c3959dda58b40ef17dcb4/e/7ae390179bf63b23f5555924?renderMode=0&uiState=687aee56758a0704617e62e6

(Update 2025-07-24: added a taller version.)