API Reference > geometry-core > Solid > SolidPrimitive > isClosedVolume isClosedVolume AccessorReadOnly get: boolean Returns - boolean true if this is a closed volume. LinearSweep, Box, Cone only depend on capped. Sphere affected by capped and latitude sweep TorusPipe and RotationalSweep affected by capped and sweep RuledSweep is affected by capped and match of first, last contour Defined in core/geometry/src/solid/SolidPrimitive.ts Line 71 Last Updated: 15 June, 2021