In this thread you can post informations about the Backpack  #5. Original pictures, worth knowing, found parts and so on. It should help you build backpacks that are as accurate as possible. I will start with a picture of my Pack and the individual components that I know:   1. Tupperware "Stow-n-go", Nr. 767 2. Filter 3. Plumber Cups 4. Seedtrays: - upper Tray with 5 Rips                         - lower Tray with 3 Rips 5. "Giostyle