Small Corner Shelving.
Corner Shelf Made of Plywood.
Easy To Make Corner Shelving System.
DIY Floating Corner Shelves.
Maximize your under-sink storage space with a pocket organizer.
You could also hang a sheet of tin on the inside of your cabinets to create a magnetic spice rack.
You can also repurpose old magazine holders as Ziploc bag and aluminum foil holders.
This version uses baskets instead of individual jars.