---
title: "XY"
subtitle: "Constant in std"
excerpt: "An abstract 3d plane aligned with the X and Y axes. Its normal is the positive Z axis."
layout: manual
---

An abstract 3d plane aligned with the X and Y axes. Its normal is the positive Z axis.

```kcl
XY: Plane
```



### Type

[`Plane`](/docs/kcl-std/types/std-types-Plane) - An abstract plane.