**Steps to make the bug happen** 1. Unzip and load attached graph 2. Play 3. See error `OutputTurtle` preview and `PrintTurtle` produce garbled results. **What was supposed to happen** Correct output without garble. **Log file** **Additional context** [minimal-thread-test2.zip](https://github.com/user-attachments/files/19689726/minimal-thread-test2.zip)