Click "Customize-Customize Wall" to select the wall and enter the customize wall interface. You can use the drawing tools like "Line", "Rectangle", "Polygon", "Circle " tools to draw the shape you want. Then you could type in the thickness value for different shapes in the Extrusion input box.
what if i can not delete the shape, that ive select?, i just have the extruccion, but i still seen the complete wall, i wanna delete the yellow part





