https://forums.autodesk.com/t5/3ds-max-forum/phoenix-fd/m-p/10888822#M13975 <P>Your best bet is to post this in the Chaosgroup forums since they make Phoenix FD.&nbsp;&nbsp;</P> <P>&nbsp;</P> <P>However, I'm betting that the cylinder is the source object for the FX, so hiding it removes any source objects from the simulator leading to nothing happening.&nbsp; If you don't want to see your cylinder in render, uncheck "Visible to Render" in the object properties.</P> <P>&nbsp;</P> <P>Best Regards,</P> Tue, 18 Jan 2022 21:05:36 GMT Diffus3d 2022-01-18T21:05:36Z https://forums.autodesk.com/t5/3ds-max-forum/phoenix-fd/m-p/10882902#M13974 <P>Does anyone know why this happens? When the big cylinder is visible - there is fire, when it is hidden - there is no fire. I do not change anything else. This is in phoenix fd.<BR />There is no such thing with fumefx - everything is fine.</P> Sun, 16 Jan 2022 08:49:46 GMT https://forums.autodesk.com/t5/3ds-max-forum/phoenix-fd/m-p/10882902#M13974 ivanovkrasimir958 2022-01-16T08:49:46Z https://forums.autodesk.com/t5/3ds-max-forum/phoenix-fd/m-p/10888822#M13975 <P>Your best bet is to post this in the Chaosgroup forums since they make Phoenix FD.&nbsp;&nbsp;</P> <P>&nbsp;</P> <P>However, I'm betting that the cylinder is the source object for the FX, so hiding it removes any source objects from the simulator leading to nothing happening.&nbsp; If you don't want to see your cylinder in render, uncheck "Visible to Render" in the object properties.</P> <P>&nbsp;</P> <P>Best Regards,</P> Tue, 18 Jan 2022 21:05:36 GMT https://forums.autodesk.com/t5/3ds-max-forum/phoenix-fd/m-p/10888822#M13975 Diffus3d 2022-01-18T21:05:36Z