
From a storage-crate sample to a production-ready handoff
Resolve stacking fit and wall-thickness risks before handing tooling, color samples and inspection requirements to production.
- Product
- Stackable PP storage crate
- Dimensions
- 400 × 300 × 220 mm
- First batch
- 5,000 units
- Starting point
- Reference sample + use requirements
The starting problem
In this project, a customer brings a reference crate and wants better stacking stability and revised handles. Tooling directly from the sample could leave shrinkage, wall thickness and fit issues unresolved until mold trials.
What we did
- Document use, loading, stacking clearance and appearance acceptance requirements.
- Review ribs, wall transitions and demolding direction; issue a design-for-manufacture question list.
- Validate critical dimensions, stacking and color with samples; approve each revision.
- Hand over the approved sample, process revision, packaging requirements and inspection points together.
Outcome
Outcome: an approved reference sample with matching dimensional, visual and packaging criteria. Completion means the production team knows which revision to make and inspect, not merely that a mold exists.
Handoff records
- Engineering review
- Wall, rib and demolding risks with open decisions.
- Trial record
- Sample IDs, revisions, measurements and change status.
- Production handoff
- Approved sample, inspection points, packaging and ownership.


