Filament Shelf Bracket (inside corner wall mount)

This is a great solution for storing filament where there are two walls facing each other that are not too far apart. In a closet for example, which was my use case.I designed these with the intent to use 1-inch wooden dowel rods, which are cheap and easy to find, at least here in the US. But you can use 1 in steal conduit or anything else that is around 1 in in diameter.