API Reference > geometry-core > Solid > Box > constantVSection constantVSection Method Consider the box sides (not top and bottom) as a (u,v) surface with v = 0 as the z=0 local plane v = 1 as the z=1 local plane Return the (rectangular) section at fractional v constantVSection(zFraction: number): CurveCollection Parameter Type Description zFraction number Returns - CurveCollection Defined in solid/Box.ts Line 223 Last Updated: 11 June, 2024