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Edit: Changed the screenshots and some of the descriptions to be clearer

I was trying to make an edge parallel to another according to the slow, accurate way stated in this page: How to extrude a face parallel to another?

However although the vertex aligned itself with the pivot point, it went downwards, distorting the edge it was subdivided from.

I'd like to have all the bottom edges stay parallel to each other, i.e the parallel with the edge marked with red colour. The subdivided vertex, however, creates an angle on the now separated edge after aligning itself with the pivot point. enter image description here

The edge I'm trying to create is marked blue in colour, and I need it to be parallel with the green edges while allowing the red edges to remain a straight line. The yellow point would be the subdivided vertex. enter image description here

I need it to behave like a sliding vertex along the edge while parallel to the frontal slope (i.e the green edge marked above). Simply sliding the vertex won't work because I don't know if it's parallel with the green edge.

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  • $\begingroup$ I can't really understand what problem you are confronted to, seeing your object it seems you should ring select your edges and subdivide, then slide the edge loop (shortcut for all three operation in one move is ctrl+r if I remember). Anyway by double pressing g you make any move a slide along edge. $\endgroup$ – Yvain Aug 15 '17 at 19:27
  • $\begingroup$ @Yvain Not only I need the vertex behave like being slid, I need it to align with the pivot point at a certain degree so that the edge it creates will be parallel to the frontal slope. Please refer to my new screenshot. $\endgroup$ – CKLim Aug 16 '17 at 3:54
  • $\begingroup$ what i would do (if your two adjacent edge form a loop) is CTRL+R and before clicking to apply, slide the edge up to the extremity so that is sticks to the border, now you can double G and slide it to the proper position. $\endgroup$ – Yvain Aug 16 '17 at 21:28
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It's difficult to see from your screenshots, but what you may need to do is apply the object rotation and scale before you add that extra vertex.

Try this:

  • come out of Edit Mode and enter Object Mode again
  • with your object selected, hit CTRL+A
  • now select Rotation and Scale
  • enter Edit Mode and try again

Without this, Blender will often produce unexpected effects when editing the object further, particularly if you've scaled a primitive in one or two axis before editing it.

Good luck!

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  • $\begingroup$ Well... That didn't work... I have changed the screenshots to be clearer on what problems I faced and what I'm trying to achieve. I hope this helps. $\endgroup$ – CKLim Aug 16 '17 at 3:56

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