TU150 use of a tempered glass main panel means a modern internal aesthetic along with proper masking to hide internal cabling. Another neat cable management trick is that Lian Li allows the top panel where the handle recesses to hide wiring as well.
Portable and Powerful
Aluminum / Tempered Glass Mini-ITX Cube
2 x USB 3.0, 1 x USB 3.1 Type-C, Audio