How to cut a slot for pin in curved face?

Dual Crown, Window & Universal Hard Hat Slot Adaptor slot face Select any cylindrical face and any face on the slot for mating Then select center in slot option from constraints drop down tab and give OK Distance along slot machine after effects Select the faces to be colored with the second material In the Object Material Slots list, click the + button to create a new slot or select an existing

slot in lwc Create sketch > Project to Surface tool