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Fan Shelf Brackets

New windows are great except when they are not…

Once again my fan can sit on the window sill and cool my home office! We got new windows installed this year, and since it was a complete tear-out the new windows have this large lip that prevent you from placing a fan on the sill. 3D printing to the rescue!

Here’s the giant lip, which is about 6mm thick. I guess this is how they make moderns windows… I’m not sure I’m a fan. (Ha Ha.)

Here’s the giant lip, which is about 6mm thick. The bracket has a 6mm slot that fits onto the lip. The bracket also has different heights on each side of the lip to accommodate the different heights of the sill on either side.

I used 1/2″ long #4 screws to secure the brackets to a piece of 1/4″ thick Baltic Birch plywood I have lying around. (The brackets were designed with using that hardware in mind, so the lip on the bracket would be enough to prevent the 1/2″ screws from pocking through.)

Here is shelf. Good shelf. Shelf works. Shelf is removable. The only downside of the shelf is that I do not think it will support our 10 pound cat. And it definitely will not support our 20 pound cat/ Which is a shame. Obviously I’ll need to come up with a solution for those problems.

You can get the STL file from Printables.com – Fan Shelf Bracket, though unless you have the same windows, it’s not going to work. Feel free to use it as inspiration to fit your own windows.