PRU-270Declared input

Selected rigid tooling withdrawal needs review

Casting

Scope and limits

Signed outward-normal projection at selected planar interior points for explicitly declared rigid tooling withdrawal. INFO for immediate local interference; tangency and uncertainty unassessed. No complete tool sweep, ejection or manufacturability conclusion.

Standards and references

RIGID-TOOL-ACCESS-2026

Protolabs: rigid mold tooling and side-actions

Source scope: Explicit selected rigid tooling withdrawal; local signed planar separation only.
Implementation in Prufi: Source A Useful Action explains tooling must retract from undercuts before ejection. No numerical draft threshold adopted; signed material-side geometry only, not whole-tool extraction or elastic bumpoff.

STEP examples for this check

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