MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Has there been an official statement from Thingiverse/Makerbot as to why they have abandoned the customizer? It's odd that they would abandon one of the key differentiators of their site from the other 3D modeling repositories without any notice, and in such an odd way. Putting a library back in place shouldn't take long so obviously that's not it, and if there is a bigger issue (securtity relating to the files being fed to OpenSCAD, etc) they would obviously have left a better "We'll be right back after we find a patch" type of message.