Some of the 3D printed plastic pieces that the Mechanical Engineering Technician of our Department, Fabiola Mogollón, has implemented recently (click to download the designs in a zip file):
Holder ELL14 Rotation Mount (Thorlabs)
D6 bar adapter for cage bars between 30 and 50 (or 60) mm
Case for ELL14 USB interface (Thorlabs)
Slot filter holder, 51 x 51 mm, M4
Holder VersaChrome Tunable short- and long-pass Filters