What is a Polyline?

A Polyline is a sketch-element that is a copy of a 2D-Cam or Gear-Pair.

You can select the Polyline with Add Profile or Add Hole to make a Solid of the Polyline and 2D-Cam or Gear.

If you edit the 2D-Cam or Gear-Pair, you must update the Profile.


Add Polyline' & 'Update Polyline'


Solids toolbar > Add / Update Polyline

Command :

Add menu > Mechanism sub-menu > Solids sub-menu > Add Polyline

Add Polyline :

1.Click Solids Toolbar > Add Polyline

There is one selection-box in the Command-Manager

2.Click a 2D-Cam or Gear-Pair in the graphic-area or Assembly-Tree.

The 2D-Cam or the Gear-Pair shows in the selection-box.

3.Click OK-tiny-11-15 in the Command-Manager.

The Polyline is now a child to the Part.

Update Polyline :

Do Add Polyline again if you edit the shape of the 2D-Cam, or edit a Gear-Pair parameter

Notes :

If you delete a Polyline, you also delete the 2D-Cam.

You must add the 2D-Cam again.

See also :

Add Profile, Add Hole

tog_minusDetailed: How to use Add Polyline

Use Add Polyline to:

Add a Polyline
Update a Polyline

You can add only one Polyline to a 2D-Cam and Gear-Pair

You can use one Polyline to add many Profiles.


STEP 1: Click Run menu > Home
STEP 2: Click Solids toolbar > Add Polyline
- or -
Mechanism menu > Add Polyline


The Command-Manager instruction:

Click a 2D-Cam or Gear-Pair. Use Polyline as a sketch for a Profile/Extrusion Element.

The short hint above the selection-box: Select a 2D-Cam / Gear-Pair



ADD Polyline

STEP 3: Click a 2D-Cam or Gear-Pair in the graphic-area to ADD a Polyline


UPDATE Polyline

STEP 3: Click a 2D-Cam or Gear-Pair in the graphic-area to UPDATE a Polyline


This image shows the Cam (in Blue) and the Polyline in Dark-Green before Update Polyline.


STEP 4: Click OK-tiny-13-17 in the Command-Manager


The Polyline is now a sketch-element in the Part to which the 2D-Cam is a child.

Tutorials and Reference Help Files for MechDesigner and MotionDesigner 14.2 + © Machine, Cam, Mechanism, and Motion Design Software by PSMotion Ltd