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I want to delete part of an object like in the picture below. But since I will transfer it to another 3D application, I must not change the number of vertex or face.

I can slide the selected edges to the next edge one by one with "Edit Mode" and "Edge Slide" and make the part I want to delete invisible, but this process is very troublesome. How can I make this process easier?

the selected edges are the parts I want to delete the selected edges are the parts I want to delete

the part I made invisible by shifting the selected edges to the left without deleting any edge or vertex the part I made invisible by shifting the selected edges to the left without deleting any edge or vertex

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  • $\begingroup$ Hello, what do you mean "they're still not deleted" but at the same time you want to have the same vertex count? Deleting a mesh removes it completely, you could try subdividing or adding loop cuts to fix the topology again. $\endgroup$ Jun 12 at 20:38

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Select the section you want deleted, make sure that one vertex on the edge you want remaining is the active one.

enter image description here

Then set your pivot point to Active Element.

enter image description here

Then scale it to 0 on whatever applicable axis (X in this case.)

enter image description here

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  • $\begingroup$ That's the logical answer, but not what the OP is asking. The OP is asking to delete the vertices in Blender without changing the vertex count. Impossible to answer ^_^ $\endgroup$ Jun 12 at 21:08
  • $\begingroup$ Thank you for your answer! This method works for 2D objects, but has problems with 3D objects like cylinders. imgur.com/a/y9TZ0qq $\endgroup$
    – bumlicerto
    Jun 12 at 21:10
  • $\begingroup$ @bumlicerto you have to do it on a specific axis, for example if it's facing upwards you can scale it on S > Z > 0 $\endgroup$ Jun 13 at 7:37

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