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Possible bug with vertex alignment when duplicating.
Closed, ResolvedPublic

Description

System Information
Operating system: Windows 10 - version 1903
Graphics card: MSI GTX 970

Blender Version
Broken: 2.80
Worked: 2.79b

Short description of error
I recently installed Blender 2.80 after using 2.79b for a long time. About two days ago while working on a model, I noticed that some of the vertices weren't lining up correctly when I duplicated or extruded. I thought it was my my fault, as if I accidentally moved the mouse when making the duplicate or extrusion and would just fix it. However, yesterday night as I started work on a new model, I extruded a cube to the shape in the linked below in both the screenshots and the file I have uploaded. It was then that I noticed the misalignment of the vertices when I duplicated any part of my object. I have tested with the X and Z axis, but this issue seems to only be happening on the Y axis.

Here is the .blend file:
http://pasteall.org/blend/index.php?id=52265

Here are two screenshots of my issue:
https://i.imgur.com/CltVuF4.png
https://i.imgur.com/oN53qxR.png

Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).

  1. From default startup, go into edit mode for cube.
  2. Select top vertices and extrude up a few times. This can be done with just the basic cube, although it's not as pronounced as when you extrude up.
  3. Duplicate and move while locked across the Y axis.
  4. Highlight a point on the original extruded cube and switch to an orthographic view to line up the two cubes.
  5. Zoom in as far as possible on the highlighted vertex.

Event Timeline

Richard Antalik (ISS) closed this task as Resolved.Jan 9 2020, 7:58 PM
Richard Antalik (ISS) claimed this task.

I can not reproduce in latest. build https://developer.blender.org/T69386

If you still have problems, please let us know so we can reopen this report.