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I Have no idea how to fix the hole that is generated by the screw modifier automatically.

Blender version 2.93

Shape created using Mesh Single Vertex

After Applying Screw Modifier

pavanjoshi914
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2 Answers2

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If the top and bottom inside points are exactly on the Z-axis, there shouldn't be a hole. Have you tried making sure those points have X and Y coordinates that are exactly 0? – 
Marty Fouts

works exactly after setting X and Y coordinates zero.

In other cases answer given by @KickAir8p can be helpfull

pavanjoshi914
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Although Marty Fouts' comment is a good point, if you've already converted this to a mesh and applied the Screw modifier, then I'd suggest you go into edit mode, select all the edges around the hole, and use Grid Fill.

KickAir8p
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  • I tried to do that by referring to other tutorials but every time I select the edge in edit mode it only selects the source edges and not a complete set of edges.

    I can see the object is completely selected in Object mode , in edit mode its only selecting source edges

     – pavanjoshi914 Dec 24 '21 at 18:50
  • Sorry, what I recommended should work if you've both converted this to a mesh and applied the Screw Modifier -- then if you go into Edit mode you should be able to select all of the edges around the hole and use Grid Fill (I've edited my answer to clarify this a bit). If you haven't done either of these then you probably want to go with Marty's comment. – KickAir8p Dec 24 '21 at 18:57
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    I Had a problem with X and Y coordinates of vertex , This might help as well If I encounter anything more Thanks for your Answer. – pavanjoshi914 Dec 25 '21 at 03:29