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ptc-59190211-Visitor
1-Visitor
April 21, 2014
Question

Making points that lines snap to

  • April 21, 2014
  • 1 reply
  • 1816 views

I have been trying to make three arcs which each touch the others at one point so that they form a complete perimeter around a space. I have put datum points at each of the points where they touch and at the centres of the arcs. Unfortunately when I use the Endpoint & centre arc tool the points I place do not automatically go to the datum points when my mouse hovers near them, because of this Creo never regonizes that they join at a particualr point and I am then unable to extrude the shape. How can I define points that the arc points will "snap" to when the mouse hovers close?


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1 reply

neomechanikos1-Visitor
1-Visitor
April 21, 2014

Welcome to the forum! If you made the datum points prior to your arc sketch, did you select them as references?

points_arc.jpg

I tried it several different ways and didn't have a problem creating the shape you mentioned. If you have the commercial version, see attached.

If the geometry doesn't work (i.e. the center is not midway between the two endpoints) it will not snap to the endpoints. In this situation you'll have to end the arc short/long of the final endpoint and then force coincidence through the coincident constraint (datum points created at the same time as the arc sketch) and/or correct the dimensions that locate your datum points (especially if they were created prior to the arc sketch).

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