modeling-app/docs/kcl-std/functions/std-solid-intersect.md

title, subtitle, excerpt, layout

title	subtitle	excerpt	layout
intersect	Function in std::solid	Intersect returns the shared volume between multiple solids, preserving only overlapping regions.	manual

Intersect returns the shared volume between multiple solids, preserving only overlapping regions.

intersect(
  @solids: [Solid; 2+],
  tolerance?: number(Length),
): [Solid; 1+]

Intersect computes the geometric intersection of multiple solid bodies, returning a new solid representing the volume that is common to all input solids. This operation is useful for determining shared material regions, verifying fit, and analyzing overlapping geometries in assemblies.

Arguments

Name	Type	Description	Required
solids	[Solid; 2+]	The solids to intersect.	Yes
tolerance	number(Length)	Defines the smallest distance below which two entities are considered coincident, intersecting, coplanar, or similar. For most use cases, it should not be changed from its default value of 10^-7 millimeters.	No

Returns

[Solid; 1+]

Examples

// Intersect two cubes using the stdlib functions.


fn cube(center, size) {
  return startSketchOn(XY)
    |> startProfile(at = [center[0] - size, center[1] - size])
    |> line(endAbsolute = [center[0] + size, center[1] - size])
    |> line(endAbsolute = [center[0] + size, center[1] + size])
    |> line(endAbsolute = [center[0] - size, center[1] + size])
    |> close()
    |> extrude(length = 10)
}

part001 = cube(center = [0, 0], size = 10)
part002 = cube(center = [7, 3], size = 5)
  |> translate(z = 1)

intersectedPart = intersect([part001, part002])

// Intersect two cubes using operators.
// NOTE: This will not work when using codemods through the UI.
// Codemods will generate the stdlib function call instead.


fn cube(center, size) {
  return startSketchOn(XY)
    |> startProfile(at = [center[0] - size, center[1] - size])
    |> line(endAbsolute = [center[0] + size, center[1] - size])
    |> line(endAbsolute = [center[0] + size, center[1] + size])
    |> line(endAbsolute = [center[0] - size, center[1] + size])
    |> close()
    |> extrude(length = 10)
}

part001 = cube(center = [0, 0], size = 10)
part002 = cube(center = [7, 3], size = 5)
  |> translate(z = 1)

// This is the equivalent of: intersect([part001, part002])
intersectedPart = part001 & part002