pull-out shelves that you can step on to reach the top! Garage shelving idea: the lower shelves actually glide out so you can step to reach top shelved items. Then they slide back to the wall. This would be so easy to DIY!
Generic Intersecting Squares Wall Shelf - Decorative Display Overlapping Floating Shelf - Home Decor Wall Art - Interlocking Shelves/Wall Cubes/Storage Cubes/Ledge Storage/Wall-Mounted Hutch, Set of 2 Candles Included - White Más
We've used a similar corner shelving unit to create space in a small 7 by 9 ft room. It's a great, easy shelving solution for small spaces (although installing it was a bit tricky as the walls weren't plumb.