You can hang your soundbar on the wall with this.
The 001 model has 15mm clearance to the wall, the 002 version has 45mm clearance. If you need more clearance drop me a message and I will add it.
Design files: https://cad.onshape.com/documents/7ffa383a49ba100809f2603b/w/2d3ee58b69457bec0aaf56d4/e/6b919fa68cd18ba785c8219d?renderMode=0&uiState=66f3182abc042057bcdcfd1e
The author marked this model as their own original creation.