TRACEWORK — Pocket rail / TW–01
FICTIONAL ILLUSTRATIVE DOSSIER — NOT A PRODUCTION SPECIFICATION

A compact carriage-like rail for a fixture discussion. The wide locating surface, recessed pocket and side interfaces invite a conversation about what locates the assembly and what only clears a mating part.

The pocket rail is an illustrative geometry study. Its role is to expose an easy handover mistake: a sample photograph can make every edge look equally important, while the assembly may depend on only a few surfaces. Begin with an explanation of the intended relationship, then point to the controlling drawing.

OPEN QUESTIONS
Locating relationship: Name the surfaces that establish the part in the assembly. Ask the responsible engineer to identify the drawing references; do not infer datums from a render.
Pocket changes: If a recess changes, ask whether the mating part, wall condition or workholding discussion also changes. Keep the model and drawing references aligned.
Sample identity: A sample made against an earlier revision may still be useful for discussion. Label it clearly so it cannot be mistaken for the current acceptance reference.

SAMPLE CONTEXT
Describe whether the sample is intended for assembly exploration, appearance discussion or another limited purpose. Record which revision it represents and any known departures before comparing it to the current brief.

INSPECTION CONTEXT
Start with the locating relationship. Ask which features need a record, how results should refer back to the drawing, and who will review the record. The template does not choose a measurement method or declare the geometry manufacturable.

HANDOVER
Current drawing identifier and revision
Model identifier, or a clear absence note
Marked discussion of locating versus clearance features
Sample identity and revision relationship
Open questions about inspection evidence

No dimensions, tolerances, material grades, certifications, tested performance or manufacturing capability are established by this dossier.