What is 'Edit-Part' in the Mechanism-Editor?

To select a Part , open it in the Part-Editor, and to add or edit geometry and constraints.

Why edit a Part?

Edit its length,
Add Sketch-Elements
Add Dimension to Sketch-Elements
Add Geometric Constraints between sketch-elements

See also:

Close the Part-Editor,

Why Edit a Part?

Video: How to Start the Part-Editor to 'Edit a Part'



How to Start the Part-Editor...

3 different methods


Edit-Part in Mechanism-Editor

Edit Part icon

Edit-Part icon [left of the graphic-area]

Menu :

Edit  menu > Mechanism sub-menu > Edit Part

Notes :

Edit a Part is to use the Part-Editor

What to do :

There are many different procedures you can do to edit a Part:

Do one of these Procedures:

1.Click a Part-Outline

When the Part-Outline is red

2.Click the Edit menu > Edit Part in Part-Editor


2.Click Edit Part icon to the left of the graphic-area.

- or - Double-Click


1.Double-click a Part-Outline


- or -

In the graphic-area:

1.Double-click a Line, Circle or Arc sketch-element that is a child to the Part you want to edit


Notes: If you double-click...

a CAD-Line

...the CAD-Line dialog-box opens

a Blend-Curve

...the Blend-Curve dialog-box opens

a Point

...the Point Vectors&Pos. dialog-box opens

...more than one element, nothing happens.

- or - Right-Click

In the Assembly-Tree or Selection-Window

1.Right-click a Part element name
2.Click Edit-Element in the contextual menu


Result :

MechDesigner opens the Part-Editor.

Notes :

To close the Part-Editor:

1.Click, to deselect, the Edit-Part icon

- or -

1.Double-click a Line, Arc or Circle sketch-element in the Part

- or -

1.Double-click the Part's Y–axis

The Y-axis easier to click than the X-axis because the CAD-Line is coincident with the X-axis.

See Also :

How to Start the Part-Editor; Edit the Length of a Part

tog_minus        How to recognize an active Part-Editor


When the Part 'opens' in the Part-Editor:

The Part-Outline is not in the graphic-area
The X–axis and Y–axis of the Part are longer
The CAD-Line shows with its length, dimension arrowheads and extension lines

You may need to Zoom-In to see the CAD-Line extend at the end of the X–axis.

The Geometry Toolbar is to the left of the graphic-area
The Constraints toolbar is to the right of the graphic-area.
The mouse-pointer changes to the Edit Part pointer

If you want the X–axis of the Part to become horizontal:

1.Click View > Align

When you close the Part-Editor, to make the X-axis of the Base-Part / Mechanism-Plane to become horizontal:

1.Click View-Align again

When you close the Part-Editor, you will need to use View Align again to make the X-axis of the Base-Part horizontal.

Tutorial and Reference Help Files for MechDesigner and MotionDesigner 13.2 + © Machine, Mechanism, Motion and Cam Design Software by PSMotion Ltd