How do you draw triangular function diagrams?

[TIMAI2]

See here

What is the appropriate function? - Soil Texture Triangle?

Can you help? What is the appropriate function for the command (if the number in Text 1 = 5, Text 2 = 5, and Text 3 = 90, it is called sandy) [00011]

Also, this builds a basic 10 row triangle diagram

triangleDiagram.aia (3.2 KB)

Blocks