Before starting to render, the quality must be set. AutoCAD offers a spectrum of different render qualities, ranging from Low (draft) quality, which will just take minutes to complete (however, it will produce a poor quality image), up to a quality called Overnight Quality, which will produce a very high-quality render but is very demanding and will take a lot of time to complete. By default, the Medium quality is selected, which is not very demanding on the hardware and will produce acceptable quality. So, depending on whether you are creating the final output of the project or still in the working stage, choose the desired render quality from the list found in the Render panel on the Visualize tab in both the 3D Modeling and 3D Basics workspaces. The following screenshot shows the location of the render quality list in the 3D Modeling workspace:

After setting the render quality, the next thing we want to adjust is the output image resolution.