We do not presently have a LOGO interpreter. It was a topic under discussion some time ago, but we realized that modern Scratch-like block-based programming languages (which kids are learning today instead of LOGO) are great for making LOGO-like turtle graphics.
Two possible approaches if you would like to try that out:
1. Use BeetleBlocks, and save your output turtle graphics as SVG. Some examples of using that with the WaterColorBot (one of our other pen plotters) can be found here: