from the article: > There was a thread a while ago about a little board that you could connect 4 ways to its neighbours (for the life of me I can’t find it…),

from the article: > There was a thread a while ago about a little board that you could connect 4 ways to its neighbours (for the life of me I can’t find it…), That might be: https://www.indiegogo.com/projects/pshdl-board https://www.indiegogo.com/projects/pshdl-board