Build these handy undersink roll-out trays in a weekend. You can tackle this project with simple carpentry tools and some careful measuring. You can make all the trays in an afternoon using building products from your local home center or hardware store
Measurement conversion chart and labeled measuring cup holder for your cabinets doors. (I did this and every time I opened the cabinet, the cups would SMACK the door loudly. It would do better just in a cabinet and not on the door.