You draw upon your memories of engineering to trace an illusory mechanism that fools trespassers. Choose a Small or smaller object, such as a window or doorway, that you can see within range. The object appears to be trapped, though the form of the trap is indistinct and left to the imagination of the spell’s targets.   When you cast this spell, you can designate any number of creatures to be unaffected by the spell.   When a creature interacts with the object or tries to disarm the illusory trap, it and other creatures that can see the trap must make a Wisdom saving throw. On a failed save, it is frightened of the trap for 1 minute, as the trap appears to activate. An affected creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.   If the trap activates or you cast this spell again, the spell ends.