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Knit Surface

Use the Knit Surface tool to combine two or more faces and surfaces into one.

Note the following about knit surfaces:
  • Edges of the surfaces must be adjacent and not overlapping.
  • Surfaces do not need to be on the same plane.
  • Select the entire surface body, or select one or more adjacent surface bodies.
  • Knit surfaces absorb the surface bodies you used to create them.
  • Create a solid body when the knit surfaces form a closed volume, or leave as a surface body.
  • Select Merge entities to merge faces with the same underlying geometry.
  • Select Gap Control to view the gaps or modify the knitting tolerance.

To knit surfaces:

  1. Click Knit Surface on the Surfaces toolbar, or click Insert > Surface > Knit.

    Create adjacent, non-intersecting surfaces

  2. In the PropertyManager, under Selections:
    1. Select faces and surfaces for Surfaces and Faces to Knit knit.png.

    2. Select Try to form solid to create a solid model from enclosed surfaces.
    3. Select Merge entities to merge faces with the same underlying geometry.
  3. Select Gap Control to view edge pairs that might introduce gap problems, and to view or edit the knitting tolerance or gap range. View the Knitting tolerance. Modify it if required.

    The gap range depends on the knitting tolerance. Only gaps within the selected gap range are listed. You can modify the gap range if required.

  4. Click OK .

    The result is a single surface listed in the FeatureManager design tree as Surface-Knit<n>.

    There is no difference in the appearance of the faces and surfaces after knitting.

Contents

  • Using the Seed Faces Option

    To knit surfaces with the Seed faces option, you must use Radiate Surface.

  • Working With Knit Surface Gaps

    When you knit surfaces to within a tolerance and the distance between two surface edges exceeds the tolerance, the resulting knitting gaps are considered open. In the Knit Surface PropertyManager, under Gap Control, you can modify the knitting tolerance to improve the surface knit, based on resulting gaps.

  • Knitting Gaps to Within a Tolerance

    When knitting surfaces, you can adjust the knitting tolerance based on the size of the resulting gaps to improve the quality of the Knit Surface feature to knit some gaps according to design intent. To knit gaps within a tolerance, increase the knitting tolerance.

  • Viewing Knitting Gaps on the Component

    When knitting surfaces, you can view knitting gaps in a range in the Knit Surface PropertyManager and locate gaps on the component.

  • Opening Knitting Gaps

    When knitting surfaces, you can adjust the knitting tolerance based on the size of the resulting gaps to improve the knitting algorithm for gaps of interest. To open gaps in the Surface knit feature, decrease the tolerance to a value less than an open gap of interest.

  • Knit Surface PropertyManager - Gap Control

    When you knit surfaces to within a tolerance and the distance between two surface edges exceeds the tolerance, the resulting knitting gaps are considered open. In the Knit Surface PropertyManager, under Gap Control, you can modify the knitting tolerance to improve the surface knit, based on resulting gaps.



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