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Optimization > Simcenter Nastran Topology Optimization > Create a manufacturing constraint

2f. Define the extrusion direction.

  1. Select Specify Vector and then select the appropriate axis in the displayed triad to indicate the extrusion direction.You can also click Vector Dialog to specify the vector using the Vector dialog box, or select the vector creation method from the list and then take the appropriate action in the graphics window.To reverse the direction of the vector, click Reverse Direction .

  2. Click OK.

How do I
  1. Select the manufacturing constraint type.

2a. Define the planar symmetry.

2b. Define the cyclic symmetry.

2c. Define the maximum member size.

2d. Define the minimum member size.

2e. Define the casting die direction.

2g. Define the checker boarding control.

2h. Define the additive manufacturing overhang angle.

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2f. Define the extrusion direction., Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1323145 · retrieved 2026-07-17