https://forums.autodesk.com/t5/fusion-design-validate-document/material-appearances-disappear-randomly/m-p/12100000#M36553 <P>Hello,</P><P>&nbsp;</P><P>I use Fusion360 to design and manufacture pre-fabricated wall/roof/floor panels for buildings. We use materials and appearances to convey information for assembly. I have found that no matter how many times I apply an appearance, it can randomly disappear for no reason.&nbsp;</P><P>&nbsp;</P><P>It appears that other people have had this issue in the past - has there been any resolution?</P><P>&nbsp;</P><P>Best,</P><P>Chris</P> Thu, 13 Jul 2023 16:29:12 GMT c.hammXLHX6 2023-07-13T16:29:12Z https://forums.autodesk.com/t5/fusion-design-validate-document/material-appearances-disappear-randomly/m-p/12100000#M36553 <P>Hello,</P><P>&nbsp;</P><P>I use Fusion360 to design and manufacture pre-fabricated wall/roof/floor panels for buildings. We use materials and appearances to convey information for assembly. I have found that no matter how many times I apply an appearance, it can randomly disappear for no reason.&nbsp;</P><P>&nbsp;</P><P>It appears that other people have had this issue in the past - has there been any resolution?</P><P>&nbsp;</P><P>Best,</P><P>Chris</P> Thu, 13 Jul 2023 16:29:12 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/material-appearances-disappear-randomly/m-p/12100000#M36553 c.hammXLHX6 2023-07-13T16:29:12Z https://forums.autodesk.com/t5/fusion-design-validate-document/material-appearances-disappear-randomly/m-p/12101602#M36554 <P><a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/13232372">@c.hammXLHX6</a>&nbsp;</P><P>Could be <STRIKE>related</STRIKE>&nbsp;logical result of history - order of operations.</P><P>Can you Attach a file here that exhibits this behavior?</P> Fri, 14 Jul 2023 10:43:05 GMT https://forums.autodesk.com/t5/fusion-design-validate-document/material-appearances-disappear-randomly/m-p/12101602#M36554 TheCADWhisperer 2023-07-14T10:43:05Z