https://forums.autodesk.com/t5/fusion-design-validate-document/components-when-to-use-effect-on-timeline/m-p/5554122#M299985 <P><EM>"Coming from Solidworks myself; I would say if you intend to use design history it would be better to create your components first and then model inside of them.&nbsp; It does mean a little extra work in switching context all the time, but it will keep your timeline more organized.&nbsp; Many people don't use design history at all, so for them it wouldn't be useful to start inside of a component.&nbsp; And even Solidworks doesn't start you off in a part when you create a new assembly."</EM></P><P>&nbsp;</P><P>I can't imagine not working with a timeline. &nbsp;So, I'll start with an empty component next time and see how that feels. &nbsp;Still will be a bit strage that all timeline events will display when the root is activated. &nbsp;Seems they should collapse, but maybe that is an option/preference. &nbsp;Thanks for your help.</P> Tue, 24 Mar 2015 00:00:40 GMT Anonymous 2015-03-24T00:00:40Z