> For the complete documentation index, see [llms.txt](https://docs.jakarto.com/guide-jakartowns/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.jakarto.com/guide-jakartowns/en/reference/raccourcis-clavier/outils.md).

# Tool Shortcuts

Keep XY plane for the next point of a line or polyline: **Hold Shift**

Keep Z axis for the next point of a line or polyline: **Hold CTRL**

Snap the next point to an existing vertex or line in the inventory: **Hold Alt** (see [Snapping to existing points and lines](https://github.com/jakarto3d/docs-gitbook/tree/main/space-jakartowns/en/jakartowns/creation-dinventaires/outils-dinventaires.md))