MechDesigner Reference & User Interface > FAQs and 'How do I...?' > Mechanism Editor: > How to...? > ... edit a 2D Cam, Gear-Pair, or Profile?

To edit a 2D-Cam, Gear-Pair, Profile, Extrusion.

There are certain elements that are coincident with each other in the graphic-area.

For example: A Polyline element may be coincident with a 2D-Cam and also a Profile/ Extrusion.

When you want to edit one of these elements, you may find you open a dialog-box that you do not want to open, or you fail to open any dialog-box.

To edit the element that you want to edit 2D-Cam, Polyline, Profile, or Extrusion

There are two methods:

Method 1 - Selection-Window (preferred)

1.Click the element you want to edit the graphic-area

All of the coincident elements will show in the Selection-Window

2.Right-click the element you want to edit

3.Click Edit Element in the contextual-menu

Method 2 - Assembly-Tree

1.Find the element in the Assembly-Tree

2.Click the element in the Assembly-Tree to select it.

3.Right-click the element you want to edit

4.Click Edit Element in the contextual-menu

How to Edit a 2D-Cam, Gear-Pair, or Profile?