Does anyone remember the Commodore SX-64?. It was the first attempt by companies to make a portable computer and also known as the Executive 64. Back then the SX-64 featured a built-in five-inch composite monitor and a built-in 1541 floppy drive and weighed in at 23lb.
Erik Schubach created this awesome and much lighter version with just paper and tape. It won’t do anything amazing, but would look cool on your desk and you can download yours here, if you wish to attempt this papercraft computer.