GroundForge - Diagrams of bobbin lace patterns
Make variations on predefined patterns
Select a pattern from a catalogue page,
they link back to this page with predefined patterns.
with the bold symbols in the prototype diagram.
Apply the wand (faster) or link button (saves the pattern in the browser history),
Choose contrasting threads with the square starts in the thread diagram,
Start the animation of the pair diagram to make the holes as round as in the thread diagram.