There are tons of free and paid sites to snag icons, but sometimes it’s more fun designing them from scratch! But hold up, before you non-designers out there try to skip this section, Google Creative Lab has a tool to help you draw like a pro.
AutoDraw pairs machine learning with tons of drawings so the program can recognize what it is you’re scribbling. For instance, start drawing your best version of a tree and it’ll predict what you’re drawing and offer some designs for trees.