# Canvas: Snapping & guides

> What the canvas snaps to while you drag.

Glider documentation · The Editor · Web page: https://cgglider.com/docs/canvas/snapping/

Sections of this page: [Navigation](https://cgglider.com/docs/canvas.md) · [Selection](https://cgglider.com/docs/canvas/selection.md) · [Transform](https://cgglider.com/docs/canvas/transform.md) · [Snapping & guides](https://cgglider.com/docs/canvas/snapping.md) · [Grouping & the context menu](https://cgglider.com/docs/canvas/ordering.md) · [Clipboard](https://cgglider.com/docs/canvas/clipboard.md)

- Snap threshold is 5 px, in all directions: top, left, right, bottom, centre and middle.
- Page guides on a graphic scene: the left edge, the horizontal centre (960), the right edge, the top, the vertical centre (540) and the bottom.
- Element guides: the edges and centres of neighbouring components.
- Gap snapping is on, and the distance is drawn as a whole-pixel digit while you drag.

> **Why only some neighbours snap:** At most 60 neighbouring elements act as snap targets at once, chosen by proximity, because each one is re-measured every drag frame. In a busy scene, distant components are simply not candidates — this is the main lever on drag cost.