These days, there are plenty of laptop accessories to help boost your productivity. There are several websites where you can find 3D print files, such as Thingiverse, Printables, and Maker World. Members of the community let you use their designs for personal use, as long as you don't sell them commercially. You'll usually have the option to edit the print file, choose the type and color of filament, and even spray paint it. So, if you're ready to make use of your existing 3D printer and filaments lying around, here are some MacBook accessories that you might want to try making at home.