https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233352#M8508 <P>Correct, (did not know the sketch was 3d)</P><P>so, second trick is to double click the outline, Fusion will chain select all connected items to the selected entity.</P><P>&nbsp;</P><P>Might help...</P> Sun, 29 Dec 2024 07:46:13 GMT davebYYPCU 2024-12-29T07:46:13Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233015#M8503 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2024-12-29 012743.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1449686i9D2BFCABC21FCA30/image-size/medium?v=v2&amp;px=400" role="button" title="Screenshot 2024-12-29 012743.png" alt="Screenshot 2024-12-29 012743.png" /></span></P><P> I am unable to create a surface, even after seleclting these curve and lines. I think the profile is closed too.&nbsp; Please help.</P><P>&nbsp;</P><P>I've linked my file. Check it if necessary</P> Sat, 28 Dec 2024 20:03:09 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233015#M8503 sarik0031 2024-12-28T20:03:09Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233040#M8504 <P>You had a break in the indicated corner.&nbsp; Model is attached.</P> <P>&nbsp;</P> <P>If this answers your question, please select the "Accept Solution" icon on my post. If you have further questions, please ask.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Break in Corner.jpg" style="width: 242px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1449692i24C28024A8AE0BA0/image-size/large?v=v2&amp;px=999" role="button" title="Break in Corner.jpg" alt="Break in Corner.jpg" /></span></P> Sat, 28 Dec 2024 20:37:46 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233040#M8504 jhackney1972 2024-12-28T20:37:46Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233329#M8505 <P>Thanks, Can you suggest me techinques or tools to identify breaks in such sketches?</P> Sun, 29 Dec 2024 06:42:54 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233329#M8505 sarik0031 2024-12-29T06:42:54Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233344#M8506 <P>It's called <STRONG>divide and conquer</STRONG> in previous postings here.</P><P>&nbsp;</P><P>Draw temporary lines across the outline, see which side turn profile blue, and narrow down to the problem connection.</P><P>&nbsp;</P><P>Might help...</P> Sun, 29 Dec 2024 07:30:12 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233344#M8506 davebYYPCU 2024-12-29T07:30:12Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233346#M8507 <P>Actually, in 3d Sketch it doesn't turns blue, if I'm not wrong.</P> Sun, 29 Dec 2024 07:37:55 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233346#M8507 sarik0031 2024-12-29T07:37:55Z https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233352#M8508 <P>Correct, (did not know the sketch was 3d)</P><P>so, second trick is to double click the outline, Fusion will chain select all connected items to the selected entity.</P><P>&nbsp;</P><P>Might help...</P> Sun, 29 Dec 2024 07:46:13 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/unable-to-create-a-surface/m-p/13233352#M8508 davebYYPCU 2024-12-29T07:46:13Z