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Ants: routing and our own terms (from Nov 2026)

Hybrid (routing)

Lattice search for candidates plus exact geometry checks for legality plus a gridless cleanup; what today's winning routers do.

How it looks

Drawing: an idealised patch of board
grey: the grid path amber: the same route after checks and cleanup
The same connection twice: the stair-shaped grid path, and the clean track the hybrid method turns it into.

How it works

THREE PASSES ON ONE CONNECTION1. lattice search finds a route fast2. every piece is checked against the real shapes3. pull-tight: off the grid, clean 45 degree runsstarttarget

Where it fits

Hybrid combines option A of "seeing" (lattice) with exact checks. Compare shape-based router, topological router and learned (RL) router; nets that clash are settled by negotiation.

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