Hello @ash720!   First of all, please make sure that there are no extra metal things in front of our Swipe (for example, some screws or metal bonds).   Then, if it will stay somehow hidden, take of the unnecessary stuff: Please login or register to see this attachment.   And place just the "Magic Sensor": Please login or register to see this attachment.   Make sure there is no gap between the sensor and the ply.   You're welcome to post some pictures of your insta