This is a free download for 3D printable stl files for a Magswitch battery flood light mount.
This magswitch mount battery flood light is made with Magjig 60 mounts found here:
https://mag-tools.com/?ref=xdmfhwkquu
And Floodlights found here:
The files include several sketchup versions of a single and double magnet mount. The single magnet mount is sufficient unless it will be mounted on very thin metal (1/16" is sufficient for a single magnet).