Linked grow beds with overflow water level at top of each bed plus an interconnected drain line at the bottom of each bed. As long as the beds are dead level, this will work very nicely.
Vertical Aquaponics System
D.I.Y. Jardin d'intérieur.
self-watering liner idea for existing deck planter boxes.
How to build a raised vegetable garden | Rogue Engineer
10 DIY Ways to Grow A Vertical Strawberry Garden
Living herb spice rack. Wonder how long it will take for this to be the norm.
Vertical hydroponic garden, could easily be adapted for indoor use.
Maybe use a rectangular/square shaped garbage pail with recycled grills or cookie sheets
A Super Cool Concept- The Nano Garden Lets You Grow Veggies Right in Your Kitchen