A simple OpenSCAD polygon and tile for making your own aperiodic tile.
Previous "hat" and "turtle" aperiodic tiles required reflections for completeness, but this tile is aperiodic with a single chirality, no reflections required.

Described in the presentation here: https://cs.uwaterloo.ca/~csk/spectre/

Designed in OpenSCAD
Dimensions from the monotile paper here: https://arxiv.org/pdf/2305.17743.pdf