Toggle between drawing mode and preview mode.

CTRL + K

Toggle between grid planes

CTRL+G

Toggles the grid on and off. You can also select the grid plane to display and set grid snap and align options.

G

Toggle snap to element.

Enable snapping of points to grid lines while drawing or editing geometrical elements.

Enabled only when the grid is displayed in the figure.

Z to temporarily override grid snap.

Align lines to grid lines while drawing or editing geometrical elements Select a grid for the figure..

You can move lines and parts along the grid lines.

When enabled, aligning of lines to grid is active even if grid is turned off in the figure.

X to temporarily override grid aligns.

Set the background color.