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Having Trouble Extruding Sketch

nate_wilwerdingnate_wilwerding Member Posts: 2 ✭
in Using Onshape
I am having a problem Extruding a logo. It is requiring me to delete a portion of the sketch to get it to extrude. Can anyone help? Will not extrude with section of sketch (marked in red in the photo) selected.


https://cad.onshape.com/documents/7de7a08939b17ed4e1386904/w/6428b41ef64ee769f827d65b/e/c8fa0c95cd2b081dc2ab073b

Comments

  • matthew_stacymatthew_stacy Member Posts: 487 PRO
    @nate_wilwerding, the node where three line segments (one of which your red arrow points to) intersect is the issue.  Extruding this profile would create "non-manifold" geometry.  If this profile were extruded, more than two faces would share an edge.  
    Most parametric, feature based CAD software, including Onshape, will not accept non-manifold geometry.  From an engineering perspective this is generally not a limitation because non-manifold geometry can't be manufactured in the real world.

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