# Size Dimension
Mark the length, radius, etc. of the selected element on the 3D model, the dimensions marked by this command are placed in the "View Panel - Dimensions".
The main function and operation mode:
- Click "Size Dimension"
, pop-up dialog box.
- Annotated elements: Select an item, support to select "line"; After selecting the element, move the mouse to select the annotation placement position. Click OK to generate the annotation.
- Select the item with the annotation result
| Options | Annotate results |
|---|---|
| A straight line | Length |
| Full round edge line | Diameter |
| Circular edge | Radius |
The rest of the parameters set the same as the engineering drawing - smart size setting.
Click the completed 3D annotation, 3D annotation is highlighted, pop up the corresponding dialog box, you can edit; Drag the mouse to move and change the position in the plane where the mark is located.
Example:Create a custom view, annotate the size dimensions, the effect is as follows.
