PUI Audio has provided a demo enclosure for use with their AS03608AS-R
Here are the STL Files that they have provided.
AS03608AS-R Speaker Enclosure.stl (1.7 MB)
AS03608AS-R Speaker Enclosure Lid.stl (243.2 KB)
There was also a recommendation for printing of using 0.15mm thick layers at 40mm per second.
See more PUI enclosures here: