EazyDraw is exactly what its name implies: a Mac utility designed to help you create drawings with minimum effort. The program is packed with a user-friendly interface, supports various image formats, comes with a comprehensive help manual, and lets you choose between multiple editing options.
In the View menu of the utility you will find a list with built-in editing tools. You can display the windows of the integrated tools you use the most and hide the ones you don't need on your screen. Additional tools can be seen on the main toolbar of the program, such as the layers editor, the annotations utility, etc.
You can undo as many drawing actions as you need, print the resulting image with just a few clicks, and export the finish products to various formats.
The only bad aspect is that you can find cheaper drawing solutions for your Mac.
Still, you can give EazyDraw a try for a limited amount of time, without paying a buck. See how it works and then decide if it's worth purchasing its full version or look for a different drawing utility for your Mac computer.