A corner pice to mount the HDZero woop board when the breable edges of the PCB break off.
https://cad.onshape.com/documents/e67e426dd8ff274086883b0b/w/7a5fabaea7ef0dd60f575e4c/e/6775f4a2608c19f438871cd2?renderMode=0&uiState=64d2b66f1732074e21bb9b23