Mika Tan is known in design circles for work with bio-materials, mycelium, and waste streams. If your reference is to a different Mika Tan (e.g., in business, art, or another field), this paper provides a transferable analytical framework for “accidental growth.� Accidental Growth: Unintended Ecologies and Material Agency in the Work of Mika Tan Author: [Your Name] Course: Design & Ecological Systems Date: April 17, 2026 Abstract This paper examines the concept of “accidental growth� as a design paradigm through the work of contemporary designer Mika Tan. Unlike traditional manufacturing, which suppresses spontaneity, Tan’s practice cultivates conditions for unintended material emergence—mold, mycelial networks, bacterial cellulose, and opportunistic fungi. Analyzing three case studies from Tan’s portfolio (2019–2024), this paper argues that accidental growth functions as both a literal biological process and a critical metaphor for decolonizing design’s relationship with control, waste, and temporality. Findings suggest that embracing uncontrolled growth leads to novel material properties, ethical recalibrations of authorship, and a design ontology based on care rather than mastery. 1. Introduction Modern design is predicated on the elimination of accident. From CAD precision to cleanroom protocols, growth—especially microbial or fungal—is framed as failure, contamination, or decay. Mika Tan’s work inverts this logic. By deliberately introducing substrates (food waste, textiles, clay) into environments that promote accidental colonization by local microorganisms, Tan produces objects, surfaces, and installations whose final form is co-authored by non-human actors.

The “accident� was not random but emergent from substrate chemistry and micro-climate. Tan notes: “I learned to read humidity like a farmer reads sky.� 4.2 Textile Index (2022–2023) Sheets of discarded cotton and linen were layered with agar and nutritional yeast, then left in an abandoned textile factory. Wild airborne spores colonized the fabric over four months.

Different fungal species created distinct “zones�—Penicillium produced blue-green patches that stiffened fibers; an unidentified basidiomycete decomposed sections into lace-like holes. The resulting fabric could not be cut or sewn conventionally; Tan instead suspended the sheets as “recordings of a place.�

A new material named “Wildermold Skin.� Tan now intentionally cross-contaminates her koji cultures with local molds from different sites, producing regionally distinct bioplastics.

Accident revealed a new material category: locative textile —fabric that indexes the microbial history of its environment. Unrepeatable, but generative. 4.3 Spore Bank: Failed Specimens (2024–ongoing) Tan attempted to cultivate a pure strain of Aspergillus oryzae (koji) on rice waste to produce a uniform bioplastic. Contamination by wild green mold ( Trichoderma ) repeatedly occurred.

Rather than discard, Tan isolated the contaminated cultures and found that the Trichoderma produced a flexible, water-resistant pellicle with tensile strength superior to the intended bioplastic.

The molds created unexpected relief textures and color gradients impossible to plan. One vessel developed a radial pattern resembling a city map—later identified as Physarum polycephalum foraging behavior.

Accidental Growth Mika Tan | 360p |

Mika Tan is known in design circles for work with bio-materials, mycelium, and waste streams. If your reference is to a different Mika Tan (e.g., in business, art, or another field), this paper provides a transferable analytical framework for “accidental growth.� Accidental Growth: Unintended Ecologies and Material Agency in the Work of Mika Tan Author: [Your Name] Course: Design & Ecological Systems Date: April 17, 2026 Abstract This paper examines the concept of “accidental growth� as a design paradigm through the work of contemporary designer Mika Tan. Unlike traditional manufacturing, which suppresses spontaneity, Tan’s practice cultivates conditions for unintended material emergence—mold, mycelial networks, bacterial cellulose, and opportunistic fungi. Analyzing three case studies from Tan’s portfolio (2019–2024), this paper argues that accidental growth functions as both a literal biological process and a critical metaphor for decolonizing design’s relationship with control, waste, and temporality. Findings suggest that embracing uncontrolled growth leads to novel material properties, ethical recalibrations of authorship, and a design ontology based on care rather than mastery. 1. Introduction Modern design is predicated on the elimination of accident. From CAD precision to cleanroom protocols, growth—especially microbial or fungal—is framed as failure, contamination, or decay. Mika Tan’s work inverts this logic. By deliberately introducing substrates (food waste, textiles, clay) into environments that promote accidental colonization by local microorganisms, Tan produces objects, surfaces, and installations whose final form is co-authored by non-human actors.

The “accident� was not random but emergent from substrate chemistry and micro-climate. Tan notes: “I learned to read humidity like a farmer reads sky.� 4.2 Textile Index (2022–2023) Sheets of discarded cotton and linen were layered with agar and nutritional yeast, then left in an abandoned textile factory. Wild airborne spores colonized the fabric over four months. accidental growth mika tan

Different fungal species created distinct “zones�—Penicillium produced blue-green patches that stiffened fibers; an unidentified basidiomycete decomposed sections into lace-like holes. The resulting fabric could not be cut or sewn conventionally; Tan instead suspended the sheets as “recordings of a place.� Mika Tan is known in design circles for

A new material named “Wildermold Skin.� Tan now intentionally cross-contaminates her koji cultures with local molds from different sites, producing regionally distinct bioplastics. Introduction Modern design is predicated on the elimination

Accident revealed a new material category: locative textile —fabric that indexes the microbial history of its environment. Unrepeatable, but generative. 4.3 Spore Bank: Failed Specimens (2024–ongoing) Tan attempted to cultivate a pure strain of Aspergillus oryzae (koji) on rice waste to produce a uniform bioplastic. Contamination by wild green mold ( Trichoderma ) repeatedly occurred.

Rather than discard, Tan isolated the contaminated cultures and found that the Trichoderma produced a flexible, water-resistant pellicle with tensile strength superior to the intended bioplastic.

The molds created unexpected relief textures and color gradients impossible to plan. One vessel developed a radial pattern resembling a city map—later identified as Physarum polycephalum foraging behavior.