After creating a 3D house in Maya, I was disappointed to see mental ray not render the edges cleanly – the edges were jagged. This was clear especially around the windows and the top edges of the house:
To fix this, the sample settings in the Render Settings were changed. In the Quailty tab, the Sampling Mode was set to Fixed Sampling, and the Max Samples was increased to 3.
When re-rendered, the edges weren’t as jaggy: