Brackets 4 Sizes

Our 2 year old destroys a lot of things, and one thing that broke because of him is one of our cabinet drawer faces. We used some brackets similar to the 40mm size to hold the face back onto the drawer and figured it would be handy to design something to print for the future if we ever need to repair one again.  There are 4 different sizes: 20mm tall, 40mm tall, 70mm tall, and 100mm tall. These may work for holding up bookshelves or small shelves as well. They can also be used to hold corners of shelves together or stablize them.