For AMF there is little restriction on how much meta-data we can add, but for STL's, within the 80 byte header there could be a reference to the original CoffeeSCAD/UltiShaper source and a unique key to retrieve its parameters. Cura could use this information to go back to the online editor and make minor tweaks or variations to print it again.
The first 5 bytes should not read "SOLID" but "UltiShape" or something similar.
For AMF there is little restriction on how much meta-data we can add, but for STL's, within the 80 byte header there could be a reference to the original CoffeeSCAD/UltiShaper source and a unique key to retrieve its parameters. Cura could use this information to go back to the online editor and make minor tweaks or variations to print it again.
The first 5 bytes should not read "SOLID" but "UltiShape" or something similar.