https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10702007#M3212 Align to face normals, check that. Wed, 20 Oct 2021 18:24:35 GMT domo.spaji 2021-10-20T18:24:35Z https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10693331#M3210 <P>I was following the Extrude on Spline part to the best of my ability, but I was not getting a clean extrusion when I tried following the directions. The geometry was all warped. Please see the screenshot I provided.<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="6d9bd491127845a3d7a90859b2fbbed4" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/978115i1D96B6A5E9A1CCF9/image-size/large?v=v2&amp;px=999" role="button" title="6d9bd491127845a3d7a90859b2fbbed4" alt="6d9bd491127845a3d7a90859b2fbbed4" /></span></P> Sun, 17 Oct 2021 03:00:09 GMT https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10693331#M3210 Anonymous 2021-10-17T03:00:09Z https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10701500#M3211 <P>Maybe try putting a 'Normalize Spline' modifier on the spline and see if it helps.</P> Wed, 20 Oct 2021 15:00:41 GMT https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10701500#M3211 RobH2 2021-10-20T15:00:41Z https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10702007#M3212 Align to face normals, check that. Wed, 20 Oct 2021 18:24:35 GMT https://forums.autodesk.com/t5/3ds-max-modeling-forum/problem-with-extrude-on-spline-on-horned-helmet-tutorial/m-p/10702007#M3212 domo.spaji 2021-10-20T18:24:35Z