Drag a point to edit its coordinates, drag the canvas to pan, and scroll to zoom. Use Up / Down to switch examples. The Parameters button hides the right inspector to give the canvas more space.
Modes: Boolean, String, Stroke, Variable Stroke, and Outline.
The Eagle and Star examples are available in Outline (test_8 / test_9) and
Boolean (test_11 / test_12); choose Intersect to cut them with a spiral.