Adding magnets to a piece set

Although pieces are sold with built-in magnet, I decided to build my own from a wooden Staunton set, adding the appropriate magnets (in size and power) for my design.

Milled pieces:

Magnets used MAGNET Expert F309, 15mm in diameter and 1mm thick:

(Later I replaced them with less powerful 14x1mm magnets)

All magnets are oriented the same way, to prevent pieces from sticking each other (bottom with bottom) when in the box. Once the magnet embedded in the piece, I give a primer coat so the adhesive velvet sticks better:

I stick the adhesive velvet, cutting the remaining part:

Job done!