Looking for wedge monitor cabinet plans

I’m looking to build a monitor cabinet, either a 12” or 10”. Does anyone have a drawing for one? I can use .pdf or a cad file such as .dxf

http://www.colomar.com/Shavano/flrmon05.gif

Base your design off this.You can omit the piezo and center the 12" cutout. or widen it to make a 2-12".