Select the objects you wish to see in a simulated preview. If you want to watch your whole design being simulated, select everything (
Ctrl+A) or nothing.
Extensions > Ink/Stitch > English > Simulate and enjoy.
Simulation Shortcut Keys
|one frame forward|
|one frame backward|
It is also possible to zoom and pan the simulation with the mouse.
Run Simulator Independently
Run the simulator by itself on any supported embroidery file:
PYTHONPATH=/usr/share/inkscape/extensions python -m lib.simulator path/to/myfile.ext