Designed for Use with these cheap coolant tubes and alligator clamps https://www.aliexpress.us/item/2251832626681832.html
https://www.aliexpress.us/item/2251832573522848.html
Magnet size is 6mm x 2mm (Gridfinity size)
Magnets press fit, may need some glue depending on tolerances, I included STEP files for adjusting hole diameter (currently at 6.2mm.
The author marked this model as their own original creation.