https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516670#M143689 <P>Attach your *.ipt file here.</P> Thu, 14 May 2020 17:06:02 GMT JDMather 2020-05-14T17:06:02Z https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516634#M143688 <P>Hi,</P><P>I've looked almost everywhere but the answers I find are not for my problem.</P><P>I do I extrude a sketch from a face to a curved face inside the solid? I want to extrude the sketch circled in blue to the very top face, but I only want the inside part. I'm using Inventor 2019.</P><P>Many thanks in advance.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture1.PNG" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/770540iEA1A6C2C01D0ED19/image-size/medium?v=v2&amp;px=400" role="button" title="Capture1.PNG" alt="Capture1.PNG" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture2.PNG" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/770541i240D117EF5B40C5F/image-size/medium?v=v2&amp;px=400" role="button" title="Capture2.PNG" alt="Capture2.PNG" /></span></P> Thu, 14 May 2020 16:53:25 GMT https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516634#M143688 Anonymous 2020-05-14T16:53:25Z https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516670#M143689 <P>Attach your *.ipt file here.</P> Thu, 14 May 2020 17:06:02 GMT https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516670#M143689 JDMather 2020-05-14T17:06:02Z https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516681#M143690 <P>Attached</P> Thu, 14 May 2020 17:15:43 GMT https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516681#M143690 Anonymous 2020-05-14T17:15:43Z https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516907#M143691 <P>I think it's easiest to do it in two operations (see attached 2019 file):</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Extrude from Plane Inside Curved Surface.png" style="width: 427px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/770600iFDDD9D526F73CE2E/image-size/large?v=v2&amp;px=999" role="button" title="Extrude from Plane Inside Curved Surface.png" alt="Extrude from Plane Inside Curved Surface.png" /></span></P> <P>&nbsp;</P> <P>I used your (not fully constrained!) sketch to define a workplane, then extruded To Next in each direction.</P> <HR /> <P style="font-size: 11px;"><STRONG>Sam B</STRONG><BR />Inventor Pro 2021.0.1 | Windows 10 Home 1903<BR /><A href="http://www.linkedin.com/in/samuel-bixler-281a0615b" target="_blank">LinkedIn<BR /><IMG src="https://0lojpg.bn1301.livefilestore.com/y4mBpjMsxHsiyE90fl7LZ99L9EQYMinMmTq-HRFH9JbCEzkKriwtHkW3fcvHd1Tn83fNmCEOxlu43NSCaM5t5LTUVxzkr2SykXazzjlH6fe8HEZ9J9xESPFwabQTX5LJ7gKPlhZsl0LCsXsW74obCNtIOOvc57pHxbFMWOTgbDVMzABJgwHnVMfJOWjsmiR3b-SgAE5duRw6SWoxUsKOxXgCw?width=220&amp;height=20&amp;cropmode=none" border="0" width="161" height="14" /></A></P> Thu, 14 May 2020 18:33:36 GMT https://forums.autodesk.com/t5/inventor-forum/extrude-from-plane-inside-curved-surface/m-p/9516907#M143691 SBix26 2020-05-14T18:33:36Z