The file 'Magnetic Magazine Holder 3D Printer Model' is (stl) file type, size is 111.8KB.
Attach 5x Neodymium Cup Magnets with 95 LBS Pull Capacity Each, 1.26 inch, with CA or hot glue. I use these magnets -
https://www.amazon.com/gp/product/B072K586ZW/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1