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Microfluidics case study

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AI-assisted microfluidic design

Going from an assay idea to a manufacturable chip layout is expert, slow work. Octara's Prompt Studio turns a described objective into an editable architecture. Importantly, the language model is an orchestration layer - it interprets intent and explains the result; it does not compute the physics or invent geometry.

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Octara Prompt Studio generating a chip architecture from a described objective
prompt studio - intent to architecture

The problem

A useful design tool must produce something you can inspect and change, not a black-box image. The hard part is turning intent into real, parametric components placed and routed without overlaps or rule violations.

Architecture

  • The language model interprets the objective and selects real parametric components.
  • A layered placement engine (Sugiyama-style) positions components with crossing minimisation.
  • A maze / A* router wires the channels with rip-up-and-reroute.
  • Design-rule checks catch overlaps and spacing violations.
  • The result is an editable design you then simulate with the lumped-hydraulic solver.

Assumptions

  • Every generated element is a real component with inspectable parameters.
  • The design is a starting point to edit, not a final answer.
  • Physics is computed by the solver, not the language model.

Model

The pipeline is deterministic where it matters: objective -> component selection -> layered placement -> channel routing -> design-rule check -> editable architecture -> hydraulic simulation. The assistant narrates and routes; the engines place, route and solve.

intent -> components -> placement -> routing -> DRC -> editable design -> lumped-hydraulic check

Simulation results

  • Generates gradient generators, droplet systems, mixers, manifolds and multi-chamber networks as editable designs.
  • Each component remains parametric - widths, depths and lengths are yours to change.
  • The design drops straight into the simulator to check flow before fabrication.

Limitations

  • Assists the engineer; it does not replace design judgment or domain review.
  • Generated layouts are starting points - edit, simulate and validate them.
  • Manufacturability still depends on your process and tolerances.

Try it in the free Studio

Build a network like this and solve it for pressure, flow and Reynolds number in your browser - the same lumped-hydraulic model, no account needed.

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