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Click Openings Command on the vertical toolbar to display the Openings Ribbon.
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Select the plate system on which to place the opening.
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Click Define by catalog selection .
The Opening Palette Dialog and the Geometric Construction Explorer dialog display.
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On the 3S Rectangle tab, click Rect 400x300x100, Rect 600x500x200, or Rect 1350x700x150 to display the 3S Fixed Dimension Rectangle Ribbon.
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Select a coordinate system.
A local coordinate system at the plate origin displays.
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Click 2.
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Select the middle support, and then select the two side supports.
If the default solution for Distance Dir defines geometry on the plate, a preview displays.
If the default solution for Distance Dir does not define geometry on the plate, then a message displays: "Make sure ProjDirection and the DistanceDir are valid and try again."
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If a solution is not possible or is not correct:
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Click Distance Dir.
The possible solutions display.
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Select the required solution for Distance Dir.
The opening preview displays.
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If required, type a new value for Angle.
The preview reflects the new angle.
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If required, change Distance From and Distance values to change the opening distance with respect to the middle support.
The preview reflects the new opening location.
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Click Continue.
The preview colors change. The opening also displays in the Geometric Construction Explorer hierarchy.
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You can define additional openings before proceeding to the next step. Click Continue after defining each opening.
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To delete opening geometry, see Delete advanced opening geometry.
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Click Close.
The ribbon display returns to the main Openings Ribbon.
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Use the Opening design type, Opening planning method, and Opening production method lists to set the design, planning, and production properties on the opening.
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To delay cutting the plate system, clear Cut to create only the opening geometry.
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Click Finish.
The software creates the opening.
If you cleared the Cut option on the Openings ribbon, the software creates the opening geometry without cutting the plate system.