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Card 554 of 9752026-09-18 issue

Observed arrival · 2026-09-18

Molecular Materials Lab: Bacterial cellulose, cut and sewn

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Editorial interest 84/100 Selection signal · not a rating of the site

A material studio grows bacterial cellulose in shallow trays, then cleans, dries, cuts, stitches, and finishes it into leather-like sheets and products.

Landing page captured for the 2026-09-18 issue.
For
Material designers, product makers, and sustainable-fashion researchers
Worth noticing
A 52 × 74 cm sheet is cut into five pieces, with offcuts returned to the pulp.

Field notes

The lab describes a tray-based growth cycle in which bacteria build a cellulose film at the liquid–air interface, followed by cleaning, softening, and controlled drying. Its sample specifications include a 52 × 74 cm sheet, 2,940 g/m² weight, 4 MPa tensile strength, and 62% light transmission. The fabrication notes describe five-piece cutting, 90-degree gussets, walking-foot stitching, burnished edges, and hand-waxed finishes.

Observed signals

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Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
HumanPersonal, local, civic, or handmade

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Landing page observed 2026-09-18. The live site may have changed.