THREE.JS / FOUNDATIONS 314

A model is an archive.

3MF is a ZIP package whose relationships point to a model part. Compare material resources, vertex-color resources, component builds, transforms, and explicit rejection without hiding the archive boundary.

Preparing 3MF fixture—

The pinned ThreeMFLoader will parse an in-memory package before it enters the scene.

loader / mode
—
archive
—
nodes / meshes
—
vertices / triangles
—
materials / colors
—
bounds
—
request
—
sample
NOT RUN

ZIP / WAITINGRELATIONSHIPS / —

ThreeMFLoader supports model, object, component, base-material, texture, and vertex-color resources; the caller owns scene disposal and the documented z-up rotation policy.

Sources: ThreeMFLoader · official example · 3MF specification

LAB 314 / 3MF LOADER CONTRACT