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Circles: Equal Distances

irene_riversirene_rivers Member Posts: 17
How can you draw three circles (with equal spacing) and place them inside a larger circle?
Here's the goal: http://i.stack.imgur.com/2kXfk.png

Comments

  • matthew_menardmatthew_menard Member Posts: 96 ✭✭
    edited May 2016
    Like this? 

    https://cad.onshape.com/documents/4d3a3befc86f475c86e135ad/w/ea2bd8a23ebc4bdcbf2079cf/e/9913bf154908a99ad770b049

    Equal relations on the inner circles, tangent relations between the three inner circles and two inner circles to the outer circle.  To fully define the sketch I added a vertical relation between the top circle and origin, as well as a horizontal relation between the two lower circles.  The large circle's center is also coincident with the origin.

  • Wesley_NWesley_N Member Posts: 17 ✭✭
    The circular pattern can also be used for this. Sketch the top circle with a vertical relation to the origin, Create a circular pattern of 3. Add a tangent relationship between two of the circles. Create the outer circle using the origin as the center and a tangent relationship to the top circle. Change the pattern qty to add more circles. After increasing the qty of circles it works best to use the scroll wheel to decrement one at a time since a large qty change results in all the circles ending up concentric with the same diameter.
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  • irene_riversirene_rivers Member Posts: 17
    Thank you!
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