STep 1
The first step in creating a widget on Inventor is by opening the software. When you open it this screen will open up. Hit the "Part" button.
Step 2
Step 3
Your screen will then look like the picture below.
Step 4
Using the line tool, draw the rough shape of your widget. Do NOT worry about its dimension. Those will be fixed in the next step.
Step 5
Click on the dimension button that is highlighted below. Then click on each line and type in the dimensions that are needed. Hit enter to change it.
Step 6
The 6th step to this process is to go to were it says "3D model". After you click that button click the second button that says extrude. A box will appear like the one shown in the picture to the right. Extrude the distance to scale and hit OK.