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I want to draw a porous sphere following @Robin Betts' cool answer (Geodesic Domes); after succesfully doing the "inset faces" I want to extrude them all inside the sphere, so that I have the final holes. Any idea why the extruding is moving aparently along one single axis (see here) instead of moving through the three coordinates, inside?

enter image description here

Thanks

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  • $\begingroup$ Hi! the answer says: ' extrude the still-selected inset faces, and right-click to drop the extrusion in place ' Extrusion in Blender is a 2-step process.. the extrusion, and then the move. You can extrude without moving, with a right click ( a cause of a lot of errors, when folks don't realise the new faces are still there). E. Right Click. S. @moonboots' way is clearer, for folks who haven't yet developed shortcut habits. $\endgroup$
    – Robin Betts ♦
    Commented Jul 17, 2021 at 18:54

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EDIT: so I've just realized that all your cones are supposed to converge towards the same point, in that case, as Robin says, you can just press E to extrude then press Enter right away, and scale down with S0. When all your cone tips are on the same point, merge by distance with AltM

A simple Extrude will extrude along the Z local axis of the selected faces. Instead use AltE > Extrude Faces Along Normals so that each axis of each face is taken into account. Then if you want to scale down each face in order to create cones, activate Transform Pivot Point > Individual Origins:

enter image description here

Then when the faces are small enough, merge by distance with AltM.

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  • $\begingroup$ Great, thanks a lot @moonboots $\endgroup$
    – Edu39
    Commented Jul 17, 2021 at 7:30
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    $\begingroup$ Cheers, too :) The answer actually recommended right-clicking to drop the extrusion, and then scale.. but the 2-step extrusion must be the cause of dozens of Q's here, when folks think they have cancelled the extrusion, not just the move, with a right-click. $\endgroup$
    – Robin Betts ♦
    Commented Jul 17, 2021 at 18:58
  • $\begingroup$ ok I've just realized that all the cones were converging towards the same point ;) $\endgroup$
    – moonboots
    Commented Jul 17, 2021 at 19:08
  • $\begingroup$ btw, in the original question, how did he make the cones rotate all around the sphere? $\endgroup$
    – moonboots
    Commented Jul 17, 2021 at 19:21

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