magnetic door catch

Parametric magnetic door catch is built around the magnet found here: https://www.amazon.de/gp/product/B07793QVJS/ref=ox_sc_act_title_1?smid=AUVMM1523NAT6&psc=1 The design is split in to parts where each part holds a magnet that snap together. I have sucessfully used this design on the door to my balcony.