Specify the relationship between layers

The brief should define each layer, its restraint and the full stack through bends and hardware.

Layer identities
What to record: Material, weave, width, thickness, face and role of each layer
Project detail: ____________________
How to confirm: Label both components before joining

Joining method
What to record: Continuous or local restraint, adhesive if used, stitch field and unjoined zones
Project detail: ____________________
How to confirm: Map joining on the full pattern

Bend geometry
What to record: Smallest radius, inner and outer faces, fold direction and handling cycles
Project detail: ____________________
How to confirm: Mark and bend the assembled sample

Stack thickness
What to record: Free, compressed and recovered thickness at named locations
Project detail: ____________________
How to confirm: Measure the same stack repeatedly

Hardware route
What to record: Slot opening, folded layers, seam position, entry angle and required travel
Project detail: ____________________
How to confirm: Thread production-intent hardware

Cut and edge
What to record: Cut treatment, layer alignment, separation, curl and visible edge
Project detail: ____________________
How to confirm: Inspect after cutting, sewing and bending

Strength, stiffness and failure remain properties of the exact joined assembly and cannot be inferred by multiplying single-layer data.

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