A method for generating load-adaptive geometry by simulating mycelial growth through a nutrient field derived from measured pressure data, demonstrated on a footwear midsole.
Client
Year
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Challenge
(01)
How would nature design a product?
Nature doesn't draw structure and then assign material to it. Bone thickens along load paths. Mycelium branches toward nutrients. Form follows the conditions it develops under, and the result is material where it's needed and nothing where it isn't. A shoe sole is designed the opposite way: a uniform block of foam, specified first and evaluated after, pressed against a foot it has never met.
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Solution
(02)
Pressure as a Nutrient
Measured plantar load is sampled through the sole volume and used to seed a nutrient field. Points distributed in proportion to pressure, dense under the heel and ball, sparse through the arch. A growth simulation then runs through that field, branching toward available nutrients and consuming them as it goes. Material accumulates where the field is rich and thins where it isn't. The structure isn't drawn to match the pressure map. It grows through it.
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Conclusion
(03)
Nature as the Designer
The sole is no longer a shape applied to a foot. It's a record of one. Every branch is where it is because pressure shaped the field it grew through, so a different foot wouldn't need a different design, it would grow a different result from the same process. What remains is testing whether the structure performs as well as it reasons.
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