5. Experimenting with key shapes

The first Jankó keyboard we built only had four rows with 2x2cm keys. After a while I realized that four rows with so small keys was simply not enough. My thumb was constantly missing an extra row. So our next project should be a Jankó overlay with the original six rows. Since the rows are build in steps, six rows would mean quite a lot of height difference between the first and the last row. In…