Here are some suggestions about learning Claris CAD or speeding up your drawing technique:
1) View the video tape. It offers an excellent overview of the program along with its key drawing concepts.
2) Go through the tutorial files. These offer good examples of common drawing techniques.
3) Use the Quick Reference Guide. Knowing the keyboard shortcuts can really speed up your drawing, especially if you are using a large monitor.
4) Go through all of the modifiers and drawing methods. There are many, and you will find that once you have a good grasp of how they work, even the most complicated drawing is relatively quick to produce.