I have created a mesh object using the extrude 'tool' as follows using default CUBE (which has the default material removed), merged at center (press M select merge at center) and then extruded along x and Y axis to create a multi-sided 'plane' which I then extrude on the Z axis to created 'thickness'. I then FILL the top and bottom 'faces' by selecting each edge in edit mode and then press F. When I add a material if I select just a color all faces are 'painted' with that color HOWEVER if I select Image texture it will not uv wrap. Am I using an incorrect method to fill?


1 Answer 1


Make sure your faces are properly marked as inside/outside.

You can do this by going to Viewport Overlays > Face Orientation, and recalculate it by going to Edit Mode > Mesh > Normals > Recalculate Inside/Outside. Also, make sure you apply any transformations using CtrlA.

Alternatively, I achieved the same result as you by extruding along the Z axis AFTER pressing F to fill the face, which seem to play nicer with blender's UV wrapping.

P.S: Why are you using this roundabout way to create and extrude a face? If you're not specifically attached to the process, you can achieve the same result by scaling the default cube along the Z axis, or using the Solidify modifier on a plane.

  • $\begingroup$ Thanks for your fast reply. I did not think about using scaling on the Z axis NOT using the solidify modifier. I have never used scaling in that manner before. Also just before I noted your reply I considered that I should have Filled before extruding along the Z axis which I now think is more logical. Thanks again. $\endgroup$ Dec 2, 2022 at 3:02
  • $\begingroup$ Sorry I forgot to 'tag' you in my first reply. Well I still can't 'get it' so decided to recreate my 5 sided 'plane' as described in my question. That's where it seems to all fall over. I use edge select in edit mode and select all the edges (holding down the shift key) then press F to fill then use the extrude tool but regardless of selecting the Z axis it extrudes along another axis. How would you do it noting that my 'plane' has 5 unequal sides. BTW why can't I tag you by starting my reply with @Onion-IO $\endgroup$ Dec 2, 2022 at 3:37
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    $\begingroup$ I would recommend exiting edit mode, and using the "solidify" modifier to give Z axis width to your plane. Simply add the modifier under "generate" in the modifiers drop-down menu, and increase the "thickness" aspect $\endgroup$
    – Onion-IO
    Dec 2, 2022 at 3:39
  • $\begingroup$ Thanks. I restarted and 'drew' my 5 sided 'plane' as before, filled the area then extruded on the Z axis. Still I was only able to add my texture image material to the top face but I added the side faces in edit model selecting the faces and then adding the material. All good now. I got there eventually even if not using a 'good' method. $\endgroup$ Dec 2, 2022 at 7:57
  • $\begingroup$ @JohnArnold You cannot tag him because you comment on his answer. The author of a question/answer you comment on will automatically be notified. Only if there are several comments from different people tagging the author becomes available (if I remember correctly). $\endgroup$ Dec 2, 2022 at 13:48

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