Create and modify 3D models > Create 2D geometry > 2D geometry overview
  
2D geometry overview
1. Create a workplane
2. Draw guides
3. Draw profiles
4. Draw with 2D CoPilot
5. Machine into 3D
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If you have a drawing created in Creo Elements/Direct Drafting (.mi format), you can load it in Creo Elements/Direct Modeling and use it as your 2D geometry.