The file 'Gecko Magnet 3D Printer Model' is (stl) file type, size is 519.4KB.
Remixed from WebmasterZero's Gecko (https://www.thingiverse.com/thing:1363148) to add two 5x3mm pockets for magnets. Magnets sized 5x3 mm should be fine with a press fit, but a little super glue will help hold them firm.
Gecko_Magnet.stl | 1.1MB |