I've always wanted a magnetic accessory to attach to ironwork, and after half a day of searching all I could find was a small magnet and a magnetic boot, neither of which is what I wanted!
I was intrigued to see a magnetic suction model on Taobao and drew a foot with a 6x2mm round rubidium magnetic
The print configuration has been verified and normal sizes are fine.
If you want to print it enlarged, it is recommended that you add your own hole compensation. The pictures below show 100% (left) and 150% (right), where a hole compensation of 0.03 has been added to the model on the right.
It works really well.
The author remixed this model.
a magnetic feet to attach to ironwork