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enter image description here

I added a torus and I was trying to extrude the faces but I couldn't get the exact shape!
Should I continue with torus or circle will be much better?
How can I make the part (circled in red) shown in the image?

P.S. I have to use python scripting to make this model

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Add a Torus go to edit mode. Select a loop and confirm that you're in face selection as shown in the GIF.

Gif of solution

import bpy
bpy.ops.mesh.select_nth(nth=3, offset=0)
bpy.ops.transform.translate(value=(0, 0, 0.5), constraint_axis=(False, False, True), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=1, release_confirm=True)
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  • $\begingroup$ how can i select a loop of torus using python? $\endgroup$ – user6889367 Nov 29 '16 at 14:40
  • $\begingroup$ Go to Edit mode --- select a single face -- then run --------- import bpy bpy.ops.mesh.select_similar(type='PERIMETER', threshold=0.01) $\endgroup$ – atek Nov 29 '16 at 14:51
  • $\begingroup$ cant i automate the whole process? $\endgroup$ – user6889367 Nov 29 '16 at 14:55
  • $\begingroup$ Sorry for disturbing you but how can i select that single face using python? $\endgroup$ – user6889367 Nov 29 '16 at 14:55
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For 1 click script enter image description here Add torus and go to edit mode. Then select a single face (confirm that ur in face selection) and run

import bpy
bpy.ops.mesh.faces_select_linked_flat(sharpness=0.261799)
bpy.ops.mesh.select_nth(nth=3, offset=0)
bpy.ops.transform.translate(value=(0, 0, 0.5), constraint_axis=(False, False, True), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=1, release_confirm=True)

If you just want to select a face loop Add a torus and go to edit mode. Then select a single face (confirm that you are in face selection) and run

import bpy
bpy.ops.mesh.faces_select_linked_flat(sharpness=0.261799)

enter image description here

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    $\begingroup$ instead of adding a new answer, edit the previous one to add more detail. $\endgroup$ – user1853 Nov 29 '16 at 17:51

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