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Sketch scaling

michael_kline
michael_kline Member Posts: 21 ✭✭
in Community Support
There have been several posts asking about sketch scaling, but most of them have not been touched in a while. I was looking to see if anyone has created a faster work around than starting a new sketch with all of the dimensions based on a variable called "scale factor".

As seen in the attached, I have a fairly complex shape that I would like to scale down to the part I copied it into from the part I drew it in. The sketch has already been modified for scaling, including making the gaps wider and lowering the amount of detail involved. I have also rotated it to the correct angle, but that is a simple transformation.


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Answers

  • owen_sparks
    owen_sparks Member, Developers Posts: 2,660 PRO
    Today if a quick re-scale of the sketch wasn't giving desired results I'd probably still resort to scaling the solid part rather than messing with the sketch.  Possibly using a measure distance feature to grab an initial reference so we know what to scale it by.
    Owen S.
    Business Systems and Configuration Controller
    HWM-Water Ltd
  • philip_thomas
    philip_thomas Member, Moderator, Onshape Employees, Developers Posts: 1,381 image
    edited March 2019
    Sketch scaling with parameters is almost impossible (for anything other than the simplest of profiles). It works well when there are NO parameters - other than the one you add to control a known dimension. The best solution for scaling complex profiles is exactly as Owen says, extrude the profile and then scale the part. At that point you can re-extract the edges to a new sketch and make any additional modifications as needed.

    Quick Tip - now that sketches can have as a parent a mate connector - it is now possible to move/derive sketches to different planes and angles very easily - WAHOO!!! :)
    Philip Thomas - Onshape

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