The top of the base uses a 20x8x1.5mm rectangular magnet. I personally used the ones found on amazon found below.
https://www.amazon.com/dp/B0C9ZWXHRM?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
The bottom of the base has a magnet slot as well. It is currently slotted to fit a circular magnet that is 8mm in diameter, and 2mm in height. I personally used the magnet on amazon below.
https://www.amazon.com/dp/B0CDGX8746?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
The author marked this model as their own original creation.
