The Computer itself is copyrighted by someone/some company. But to build a computer you must have some original parts or even a computer- technically speaking it is not building a new computer, but repairing old one.
The idea of Atari 1088XEL is by Ataribits/mytek.
The SMD version PCB artwork and small modifications are © by www.vabolis.lt – free for personal and non commercial use. For commercial use, please contact Ataribits/mytek first.