Please see https://www.printables.com/model/372003-tp-link-deco-xe75-wall-bracket/files

This adapter probably needs some work. the struts are a little long and the knobs on the ends of the struts are like .5 mm too big.  Struts could be another 1mm shorter and another hold could be used to make wall mount totally secure

printed on .2 res. pla