Design lost components

[big_red_frog]

Hi There,

Was happily designing away some relatively simple components

Exported 2 out of the 4 main instances as STL for the next iteration of 3d print and pressed exit. Save and exit

Opened file later to continue project, and all but one of my bodies is invisible / missing, so I have 10 bodies that do not show up, and of course they are the important ones.

Looking at the time line there is a sketch with a yellow warning half way through.

At the end of the time line I have a combine reference with a Target Body Erro, Target body is lost.

Happy to share the project for insight, but it is so painful.

Version 3 from 15 hours ago looks sane.

Version 4 was the new instance from 4 hours ago that is damaged and almost empty 😞

Later version are mysefl trying to stimulate recovery.

Please flag what you need from me to try to diagnose.

[big_red_frog]

And here is a shot of the STL of the parts that are missing.

[HughesTooling · Accepted solution]

Try running Compute All Ctrl+B you might want to run it occasionally while you're designing as it can find errors earlier, if it finds problems fix them asap. Looking at your design it looks like you're not making use of components, all you bodies are in the main component. You'll find it easier to manage the design and the time line if you use components, try to make each component self contained if you need a sketch from another component project it into a sketch in the component you're working on.

Here's a useful link on the use of components.

Mark

[big_red_frog]

Its true I have got lazy during intial design with working at the body level until I have something to "preserve"

Not sure that should make me suseptibel to body loss though!

I will try the repair momentarily.

[big_red_frog · Accepted solution]

Massive kudo's that single key combination got me back in play!

[big_red_frog]

Hmmm, thats not good. I started a fresh design wih far less steps in it.

Exported the STL.

Saved it.

Came back to it now.

Same problem, objects are invisbile.

CTRL + B and everything looks good 😕

[zhanganchun]

Hi big_red_frog,

Thank you for the steps to this design lost issue. It's very valuable for us to find the root cause. We'll try to fix the issue in next Fusion update.

[HughesTooling]

Does the design do that every time you open it or is it just after the stl export? If it does it all the time it might be worth exporting and uploading here to let support take a look.

Mark

[big_red_frog]

Opening that specific version before fix appears to be consistantly broken and recoverable with CTRL+B

I have attempted to export it as attached.

Please confirm if upon open you only see the rod shape, then if CTRL+B gives you the full design.

[HughesTooling]

You have a warning in the timeline near the beginning, fixing this fixes the file. To fix it I needed to run CTR+B then right click the sketch with the error then select redefine sketch plane and pick the bottom face of the part shown. I'm not sure how you ended up with the error, maybe you edited something before the sketch at some point. Leaving the error in the timeline is what's causing all your problems. If you see any yellow warning you need to fix them, something you might want to do is occasionally run Ctrl+B see if there are any warnings then fix them ASAP.

I've attached the fixed file, it now opens without error as far as I can tell.

Mark