If the grid is hidden, you can show and use it in the modeling area. When you place or move model items, they are inserted or moved according to the grid width. This facilitates the orderly placement of model items.
Click Modeling area >Use grid. The check box is enabled () and the dot grid is displayed in the modeling area. Model items are placed and moved according to the grid width.
To hide the grid, click Modeling area>Use grid. The check box is disabled. The dot grid is hidden and model items are placed or moved pixel by pixel.