check out this instructable for making sweet bellows
this is a complex but meditative(frustrating) constructive process you were warned
Step 1: Selecting Hardware
Flatbed scanner with drivers, power supply and USB connection or similar.
Either a large format camera to modify of make your own like i have from a wooden box, black paint, fabric, Velcro and telescopic aerials like tv rabbit ears have.
no power adapters needed apart from the scanners supported one but you will need up to a metre of plastic coated hookup braided wire and a simple to pin switch.
Finesse Craft and attention to detail are important qualities to have or attain from this exercise.