30 Sep 2013

Simple but often asked dimension problems in Inventor

While using Inventor many people often ask for various tips on dimensioning circles and similar shapes. Often we find that a circle will automatically dimension itself from the centre point to the allocated line, projected line or component. However there is such a way we can dimension to the outer edge of the circle or form one tangent point of a circular sketch to another.

The first option is to dimension from a projected or sketched line to the circle edge. First simply select the constrain feature (in this case the straight line) and then hover the mouse over the circle edge at which you can allocate a dimension distance. The icon next to the mouse will display a small "distance to circle edge" symbol rather than the usual distance symbol.

The second part of the video shows a circle within a circle option. Often like before a single click on the two circles will only off an option to dimension from the centre of each circle. However when selecting sketch edges hold the 'Alt' key while doing so and this will allow you to dimension from edge to edge of each circle.

video

Thanks once again to Peter Barker for this great tip.

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