topic Re: How to get the intersection point of a line with 3d face? in Fusion Design, Validate & Document Forum https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820195#M98762 <P>Yes, but you are limited by the projection vector.</P><P>If the line has the same direction as a projection vector, this will work.</P><P>For me, the line does not align with a projection vector, and hence I cannot use this method.</P> Fri, 23 Oct 2020 10:30:25 GMT Anonymous 2020-10-23T10:30:25Z How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9815236#M98759 <P>The title says it all.</P><P>&nbsp;</P><P>I have a 3d face that is pierced by a straight line, how can I construct a point or vertex at the intersection of these two?</P> Wed, 21 Oct 2020 12:59:11 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9815236#M98759 Anonymous 2020-10-21T12:59:11Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9815373#M98760 <P>I was able to create the point by using the "Split-Face" command twice. Once with the plane on which the line was created, and once with a helper plane that I created at an angle of 90 degrees to the first plane.</P><P>&nbsp;</P><P>Then I created a vertex on the intersection of the two planes on the face.</P><P>&nbsp;</P><P>(The same can probably be done using projections?)</P><P>&nbsp;</P><P>Is this the best way to go about this, or is there a more elegant way?</P> Wed, 21 Oct 2020 13:44:13 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9815373#M98760 Anonymous 2020-10-21T13:44:13Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9816394#M98761 <P>If you create a 3D sketch (checkbox in sketch panel), you have the option of projecting curves to a surface.</P><P>&nbsp;</P><P>Walter</P> Wed, 21 Oct 2020 20:37:10 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9816394#M98761 wrpfohlXR4MC 2020-10-21T20:37:10Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820195#M98762 <P>Yes, but you are limited by the projection vector.</P><P>If the line has the same direction as a projection vector, this will work.</P><P>For me, the line does not align with a projection vector, and hence I cannot use this method.</P> Fri, 23 Oct 2020 10:30:25 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820195#M98762 Anonymous 2020-10-23T10:30:25Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820380#M98763 <P>&nbsp;</P><P>Create a sketch on that face.</P><P>Project&gt;Intersect that line.</P><P>&nbsp;</P><P>The result is a sketch point where the line passes through the face.</P><P>&nbsp;</P> Fri, 23 Oct 2020 12:24:01 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820380#M98763 chrisplyler 2020-10-23T12:24:01Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820944#M98764 <P>Agreed, but that is nearly identical to the method around I posted earlier.</P> Fri, 23 Oct 2020 16:04:56 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9820944#M98764 Anonymous 2020-10-23T16:04:56Z Re: How to get the intersection point of a line with 3d face? https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9821124#M98765 <P>&nbsp;</P><P>Sorry...I had failed to notice the '3D face' part of your request.</P><P>&nbsp;</P><P>Try this instead:</P><P>&nbsp;</P><P>Construct a Plate-at-an-Angle on the line.</P><P>Start a sketch on that plane.</P><P>Project&gt;Intersect the 3D face.</P><P>Place a Point where the intersection is.</P><P>Finish the sketch.</P><P>&nbsp;</P> Fri, 23 Oct 2020 17:27:53 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/how-to-get-the-intersection-point-of-a-line-with-3d-face/m-p/9821124#M98765 chrisplyler 2020-10-23T17:27:53Z