CFRS[] Community Demos: Patterns drawn with turtle graphics with 6 commands
susam.github.io
susam.github.io
I managed to create a very simple flower-like pattern (here: https://susam.net/cfrs.html#B6FRSF4E2RB2FRCE6 ) just by trial and error after seing one or two examples.
Bonus challenge: try drawing circles in under 64 bytes