Blocks Courtesy of Konrad Zuse (2014)

[Tomte]

https://blog.infinitenegativeutility.com/2014/9/blocks-courtesy-of-konrad-zuse

[mannykannot]

Some IDE editors will render code along the lines you propose, which is preferable, I think, over building it into the syntax.

[jandrese]

Plankalkül is what you get when you ask a mathematician to design a programming language for a system that won't exist for decades. In particular it wasn't hampered by the need to imput data via a typewriter-like device.

[hcarvalhoalves]

Plankalkül looks like a mashup between APL, typesetting and visual programming. It could be interesting.