90 Degree support bracket
Can be used as a support for all wooden household projects such as: cupboards, closets, shelf's and platforms. (4 - 5 mm diameter Wood screws)
Very strong and reliable. Printed with 40% infill. (0.15 or 0.2 mm layer height)
Scale for desired size and strength.
No need to drive to the hardware store... Just print a couple of these bad-boys.
Comment if you need any other designs or sizes.