Preparation

Please create a new document as well as the donut page. Show [Object Panel] and [Material Panel], and move [Sub panel].

Create a pyramid

Now you create a pyramid for a base of a star.

Click [Primitive] in command panel, and click [Cone] in the sub panel.

Now change a cone to a pyramid with 10 segments.

Click [Property] in the sub panel, and change the number of [U] segment to 10.

Click the [Create] button, and a pyramid will be created.

Now change the object name for a pyramid.

Click [Prop]in the [Object Panel].

[Object Property] is shown. Please change [obj1] to [star] in Object's name.

And check the [Apply smoothing] off in the [Object Property].

Please click the [OK] button.

The cone looks like an angular.

Please select [Select] command to exit [Primitive] command.

And call [Menu > Edit > Unselect all].

Use [Scale] command to modify a shape

Please change the direction of the view like the following image to modify the shape easily.

Select [Scale] command.

Please select the following five points by clicking with Shift key.

Check "V:5" at the right top in the main window. This number indicates how many vertices are selected currently.

Position of [Scale] handle (center of selected five vertices) is off center of an object's bottom. If you continue the operation in this state, the shape of a star will be distorted.

Click [Vertex] of [Snap] in [Edit option].

When a mouse cursor is on the yellow cube at the center of the handle, the cube will become cyan. Drag this cube with pressing Ctrl key, move the [Scale] handle.

Center of the [Scale] handle will be snapped at the position of a vertex on the center of the object's bottom, when [Snap] to the vertex is available.

Click [Clear all] of [Snap] after moving the handle.

Drag to the left with pointing a mouse at center of scale handle. The selected five vertices will be gathered to the center.

When a mouse cursor is on the center of the handle, the cube becomes cyan.		Gather selected vertices by dragging.

It becomes like a star.

Please call [Edit > Menu > Unselect all].

Finish

Finally, you adjust the position of the vertex and complete a star.

Please select [Move] command.

Please select the vertex at the center of the start by clicking, and a handle will be shown.

Please change the direction of the view like the following image.

Move a mouse cursor on the green arrow, and drag to adjust the position.

Move a mouse cursor on the green arrow,		Adjust the position by dragging.

A star has been finished. The following image is assigned material in the same way as Doughnut.