I don’t know what happened, but when I try to download a flamethrower prefab from the Fabricator Contest from musegames.com/contest, I get an access denied error message. I can’t download any flamethrower prefabs 
Got the same error…
Hello, anybody have an idea as to what went wrong?
Same here. Posted a message at muse games forum as well. Hope this resolves soon.
If someone from Muse games reads this, please try the following :
You just need to update the ACL of the object for which you are making url(public url ), by giving READ permission to all user.
Following link will help you to update ACL of object
http://www.bucketexplorer.com/documentation/amazon-s3--how-to-update-acl-in-batch.html
The downloads work ! I downloaded 3 prefabs and they look great !
yess!!! FInally 