modeling-app/docs/kcl-std/functions/std-sketch-mirror2d.md

title, excerpt, layout

title	excerpt	layout
std::sketch::mirror2d	Mirror a sketch.	manual

Mirror a sketch.

Only works on unclosed sketches for now.

Mirror occurs around a local sketch axis rather than a global axis.

mirror2d(
  @sketches: [Sketch; 1+],
  axis: Axis2d | Edge,
): Sketch

Arguments

Name	Type	Description	Required
sketches	[Sketch; 1+]	The sketch or sketches to be reflected.	Yes
axis	Axis2d or Edge	The axis to reflect around.	Yes

Returns

Sketch

Examples

// Mirror an un-closed sketch across the Y axis.
sketch001 = startSketchOn(XZ)
    |> startProfile(at = [0, 10])
    |> line(end = [15, 0])
    |> line(end = [-7, -3])
    |> line(end = [9, -1])
    |> line(end = [-8, -5])
    |> line(end = [9, -3])
    |> line(end = [-8, -3])
    |> line(end = [9, -1])
    |> line(end = [-19, -0])
    |> mirror2d(axis = Y)

example = extrude(sketch001, length = 10)

// Mirror a un-closed sketch across the Y axis.
sketch001 = startSketchOn(XZ)
    |> startProfile(at = [0, 8.5])
    |> line(end = [20, -8.5])
    |> line(end = [-20, -8.5])
    |> mirror2d(axis = Y)

example = extrude(sketch001, length = 10)

// Mirror a un-closed sketch across an edge.
helper001 = startSketchOn(XZ)
 |> startProfile(at = [0, 0])
 |> line(end = [0, 10], tag = $edge001)

sketch001 = startSketchOn(XZ)
    |> startProfile(at = [0, 8.5])
    |> line(end = [20, -8.5])
    |> line(end = [-20, -8.5])
    |> mirror2d(axis = edge001)

// example = extrude(sketch001, length = 10)

// Mirror an un-closed sketch across a custom axis.
sketch001 = startSketchOn(XZ)
    |> startProfile(at = [0, 8.5])
    |> line(end = [20, -8.5])
    |> line(end = [-20, -8.5])
    |> mirror2d(
      axis = {
        direction = [0.0, 1.0],
        origin = [0.0, 0.0]
      })

example = extrude(sketch001, length = 10)

// Sketch on the face of a mirrored sketch, that has been extruded.
sketch0011 = startSketchOn(XY)
     |> startProfile(at = [6.77, 0])
     |> yLine(length = 1.27)
     |> tangentialArc(endAbsolute = [5.96, 2.37])
     |> tangentialArc(endAbsolute = [-6.2, 2.44])
     |> tangentialArc(endAbsolute = [-6.6, 1.82])
     |> yLine(length = -1.82)
     |> mirror2d( axis = X )
     |> extrude(length = 10)

sketch002 = startSketchOn(sketch0011, face = END)
    |> circle( center = [-0.01, 1.58], radius = 1.2 )
    |> extrude(length = 1.2)

shell([sketch002], faces = ['end'], thickness = .1 )