Over customizable closed square bracket

I wanted to mount my soundbar (_Philips HTL3140B_) under my old Samsung TV. As I have my TV hanging on wall mount I decided to use foot screws for this purpose (_`125mm` width_). To make it more universal solution I discarded the idea to make it fix-width project. Therefore I started designing in **`FreeCAD`** a closed square bracket (_for improved rigidity_) for each foot-screw (_`6mm`_).

As the result I designed a **FreeCAD** closed square bracket with following **customizable parameters**:

* inner **width/height**
* **wall thickness**
* screw **hole diameter**
* screw **hole indent**
* **lip height** (_for proper mount level_)
* **lip indent** (_straight angle mount can be achieved using `0mm` indent. see photos_)
* **corner radius** (_fillet radius_)

> You can alter all parameters in **`Data` spreadsheet** in FreeCAD and **export with `Meshes` \> `Export Mesh`**