She later became the costume designer on Joss Whedon's Firefly, Angel, Doctor Horrible's Sing-Along Blog and Dollhouse, as well as Marti Noxon's Point Pleasant.
Trpcic altered her own wedding dress to create the ballgown worn by Morena Baccarin (as Inara Serra) in the Firefly episode "Shindig".
An example of this is pointed out by Trpcic herself in the audio commentary to "Shindig", where they are visible on the lapel of the character Badger played by Mark Sheppard.
Beginning in 2019, Trpcic worked as the costume designer for seasons 2 and 3 of the Star Wars series The Mandalorian.
[6] Trpcic volunteered at Juvenile Hall and taught art at a men's maximum security state prison in Northern California.