You can modify the magnitude of tangent vectors while keeping their direction unchanged. To do so:
1 | Select the surface by clicking on the location you want to edit. A cross handle will be displayed in such location. |
2 | Select the type of continuity you want to apply from the Snap drop-down list:
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3 | Drag the selected location of the surface and snap it to the other surface you want to apply the continuity conditions to. The continuity type you specified will be applied. |