To me this severely limits the value of Makerworld Collections. When a model that we have saved to a collection becomes unavailable, why not tell us what it was? Instead we are presented with a mysterious message that might as well say “a model you saved to your collection is no longer available. Good luck figuring out what it was”
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Devils advocate, if it was so good to save you would’ve remembered 
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It is likely because either the uploader deleted it, or the model was removed due to a rule violation. Even if you did figure out what it was, it’s not there anymore to find it again.
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I think from a development standpoint this is harder to do. The query when showing the list is certainly just a relation to the other database table like for example:
Give me the models with the IDs 3, 10 and 9
If now he can’t find 10 it just doesn’t know what 10 was either so it also can’t display you that info.
If it would save the titles in your list, too, then it would lead to new problems. What if a model changes it’s title? Should now all lists of all users who have this model be updated? That’s a huge load of datasets to change and considered bad practice for performance and storage reasons.
TLDR: that’s a edge case feature which is some effort to develop. I would doubt it’s on a high priority for them…
Lol, true. For the things I really want to print later, I’m getting into the habit of downloading them in case they go away.
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I totally understand why something gets removed. Many reasons for that and I’m not arguing those. I like creating a lot of collections to keep my printer running all the time and it’s just frustrating when something in your collection of 30 items disappears and you have no idea what it was.
I hear you and I thought through those development challenges as well as I have a software development background. There are definitely ways to do it, but yes, it adds complexity.
Also, in the one or two cases where I DID remember what was removed, I was able to easily find the model on one of the several other model platforms out there.
Agreed. Please let us know the name of the designer and the name of the model.
They may have replaced it entirely, but there is no way of us finding out.
YouTube has this bad behaviour too. Very annoying when it’s a music video that has been removed.
Please let me know what it was, so I can find a replacment.
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I have 50 collections (46 public, 6 private), so 100’s of designs collected for various reasons. To print soon, for comparison, for inspiration, etc.
Downloading them all, plus adding info to the download so that I know wtf it was for (titles are not always great), where it came from, what it looks like at a glance, etc. is all a huge pain in the butt.
So yeah, I totally agree with your idea. It would be very helpful.
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Not a developer per se, but I have some coding experience. From a development standpoint they could have a “shadow” page of the models that have been removed that only provide information about the model and now way to download it. It could literally be the current page and if a removed flag is set then it removes the download option. As far as what we see in our collections since it knows something has been removed, it can show any with the removed flag in another section that links to said “shadow” page. To prevent a huge build-up of shadow pages of removed items they can be set to completely purge once they reach X number of days. That would help keep the servers from being overloaded and still give us the chance to find said model elsewhere.
Or just an email to anyone that has something in a collection that gets removed saying what it was with a screenshot of the page would be acceptable to me.
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I would have lost nine this week if I didn’t download.
And I have no idea what they were.
What’s the point of collection? It’s broken. Get rid of it.
If you can’t make it work like it’s supposed to –
Just make the download button bigger!
Here’s a serious legal issue for BambuLab —
If something was in public domain, and I Collected it in my private space, and BambuLab removed it - they are breaking the law where I live. They stole my property.
It doesn’t matter that the designer changed the usage rights. What matters is that when I collected it, it was free for personal use and that right continues no matter the change in status after I collected it.
Same as putting trash on the street for collect, If I take it, you can’t have it back.
Same as if I collect something and put it in my car, private space, locked with a password. Bambu lab is breaking the law by taking something from me and covering tracks by not informing me what it took.
NOTE I’m screen printing my collections now.
COLLECTION SOLUTION FOR BAMBULAB
Ref.A: Date model is unpublished, deleted or copyright violation pending.
If no collections have been made on model --delete model, no impact
If copyright violation is proven --delete model, illegal usage by all parties
If collection has been made on model before Ref A --archive --only users that made a collection of the model before Ref. A are allowed to download or continue using, they cannot repost, remix, etc. --still shows in users Collection, but shows archived badge. --warning to user at signin, must download within 60 days of notification… delete model after 60 days.
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Why not just;
New user agreement. you can’t delete model for 60 days.
Now instead of a message that says;
9 models have been delete from your collection and we’re not telling you what they are…
… message could say;
_2 models have been deleted due to copyright violations
Model name A.
Model name B.
I mean, we need to know that right? Understandably these get deleted.
_The following models will removed from your online collection after 60 days*. Please download these models should you wish to keep them. (Bambu lab archives, marks for delete after 60 days)
Model name C.
Model name D.
- Models may be removed from BambuLab for various reasons including but not limited to…
Blockquote
If something was in public domain, and I Collected it in my private space, and BambuLab removed it - they are breaking the law where I live. They stole my property.
Blockquote
It doesn’t matter that the designer changed the usage rights. What matters is that when I collected it, it was free for personal use and that right continues no matter the change in status after I collected it.
I think what happens typically is someone’s posts something that isn’t in public domain, or already has usage rights on it saying it can’t be posted here. When Bambu finds those, they have to remove them. So they are taking something away that was never yours to begin with, at least not here where it was obtained.
i think there certainly is some confusion about what a “collection” is on bambu, it’s simply a bookmark, you haven’t “collected” anything by adding to a collection, if you had downloaded it, then yes the license at time of download is what stays, but if you only bookmarked it, then that means nothing at all.
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Also worth noting that this happens on pretty much every site that hosts models. It’s just that Bambu is more strict about it and quick to respond when someone files a complaint about a model.
My big frustration is that I just don’t know what they removed from my collections.
True, but something to note, if this was posted by a bad actor - stealing someone else’s model for example - then this was not a legit license anyways, so even if you downloaded, and it was from a scam, that license is not valid, you’ll always have to revert to the original created / owner license terms