topic Export to STL: open edges appear in 3ds Max Forum https://forums.autodesk.com/t5/3ds-max-forum/export-to-stl-open-edges-appear/m-p/7983007#M44030 <P>Hello everybody!</P><P>I created a model for 3D printing in 3DsMax 2019. When I use STL check modifier it says there are no errors. When I export file from .max to&nbsp;.stl suddenly open edges appear.</P><P>How to avoid that? Am I using wrong settings for export?</P><P>Model was created using Boolean and then converted to Poly. Can that be an issue?&nbsp;</P><P>.max screenshot</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="max.jpg" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/497103i378336D4C4E3E70D/image-size/large?v=v2&amp;px=999" role="button" title="max.jpg" alt="max.jpg" /></span></P><P>&nbsp;.stl screenshot</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="stl.jpg" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/497104iBE3CCE925903037C/image-size/large?v=v2&amp;px=999" role="button" title="stl.jpg" alt="stl.jpg" /></span></P><P>Thanks</P> Sun, 06 May 2018 13:33:50 GMT Anonymous 2018-05-06T13:33:50Z Export to STL: open edges appear https://forums.autodesk.com/t5/3ds-max-forum/export-to-stl-open-edges-appear/m-p/7983007#M44030 <P>Hello everybody!</P><P>I created a model for 3D printing in 3DsMax 2019. When I use STL check modifier it says there are no errors. When I export file from .max to&nbsp;.stl suddenly open edges appear.</P><P>How to avoid that? Am I using wrong settings for export?</P><P>Model was created using Boolean and then converted to Poly. Can that be an issue?&nbsp;</P><P>.max screenshot</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="max.jpg" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/497103i378336D4C4E3E70D/image-size/large?v=v2&amp;px=999" role="button" title="max.jpg" alt="max.jpg" /></span></P><P>&nbsp;.stl screenshot</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="stl.jpg" style="width: 999px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/497104iBE3CCE925903037C/image-size/large?v=v2&amp;px=999" role="button" title="stl.jpg" alt="stl.jpg" /></span></P><P>Thanks</P> Sun, 06 May 2018 13:33:50 GMT https://forums.autodesk.com/t5/3ds-max-forum/export-to-stl-open-edges-appear/m-p/7983007#M44030 Anonymous 2018-05-06T13:33:50Z