Complex sentence: Costume designer Debra Hanson hand crafted costumes for the main characters, using designs from Ninth Ray, while she provided leftover costumes from her previous collaboration, "Beowulf & Grendel", to dress the extras.
Split into simpler sentences: Costume designer Debra Hanson designed by hand costumes for the main characters using designs from Ninth Ray Studios. She also provided leftover costumes from her previous collaboration, "Beowulf & Grendel", to dress the extras.