The One Sheet Solar Cooker was designed in 2008. It is a clever panel cooker that can be fabricated from a single sheet of cardboard. The base is pulled together using a string tie. Assembly instructions: 1. * Use a cardboard sheet 60 cm x 80 cm or larger. 2. * Draw lines to divide in 2x3 parts, and cut "A" lines only. 3. * The dotted lines are all for concave folding, so you can make a careful "half-cut" and then it will be easier to fold. 4. * Make two holes, so that the string will go through the holes once the red parts are below the yellow part. The string is knotted like your shoes'. Not a permanent knot because you want to be able to take the kitchen to other places. 5. * Glue foil paper to the part of the cardboard closer to you. Maybe the inner side of som