Inventor Tutorial for the iDoor – 02 – Constraining the Sketch and adding parameters.
Once you have the rectangle drawn, you will need to center it relative to the origin point. The easiest way to do this is by using Horizontal and Vertical constraints located near the center of the ribbon on the Constrain panel as shown below.
Select the Vertical Constraint from the Constrain Panel of the ribbon and hover your cursor over the Center Point until it turns red, then click. Then move to the center area of the topmost horizontal line in the rectangle until you get a little green ball that indicates you have found the center, and click there as well to complete the vertical constraint. Depending on how far off from being centered your rectangle was, it may jump sideways quite a bit to center itself.
When complete there will be a little dot on the line at the center of the line showing that there is a coincident constraint to the line. Now add a Horizontal Constraint from the Center Point to the right vertical member of the rectangle to constrain it as well. The rectangle will now remain centered on the part’s origin, which is good modeling practice in general, but is needed later in the tutorial.
Inventor Tutorial for the iDoor Navigation
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