# Tutorial 1: Add a Part that Rotates - a Crank

### Objective of Tutorial 1

 • To add your first 'kinematic-chain'. - a Part that rotates at constant angular speed.
 • To describe, in detail, all the steps we must do.
 • To learn the different methods we use to do each step.

In a Machine, a 'Part that Rotates', might become a: shaft, cam-shaft, turret, star-wheel, feed-screw (scroll), 64-head filling-machine, lever, cam-follower, tucking tool...

### Step-by-Step Instructions

 ➢ Step 1.1: Add a new Mechanism-Editor / tab
 ➢ Step 1.2: Add a Part
 ➢ Step 1.3: Add a Line to the Base-Part
 ➢ Step 1.4: Add a Pin-Joint
 ➢ Step 1.5: Kinematically Define the Part
 ➢ Step 1.6: Rotate the Part
 ➢ Step 1.7: Edit the Length of the Crank