ZBrushCentral

Extrude Problem

hi all
I am working on the zbrush tutorial in DIGITAL TUTORS (Hard surface techniques in zbrush 4r5) in lesson number 4 in this tutorial titled by (SHARPENING EDGES) a polygroup should be extruded then crease the polygroup then smooth
But after extrusion the polygroup & creasing the smooth is not giving me the required result

so can anyone Help me please

REGARDS

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a few things. It looks like you did a local subdivions on your mesh (dividing your mesh with an active mask)
It also appears that you’re not actually doing an extrusion, you’re just moving the geo. You need to make sure you have no subDivision levels and all geometry is visible while trying to use the extrusion command.

I’m not sure if you have subD levels or hidden geometry, but those would be my guesses.

I did the extrusion by masking around the polygroup then I hit CRTL+move tool

Transform mode, ctrl+drag on middle circle.