A light pipe, such as this example, is often used for this purpose. For example, these are often used to get status LEDs from a PCB of a disk enclosure on a server, to the front panel of each drive carrier.

Digikey and other distributors carry the flexible variety in a number of lengths, ranging from a few mm to over a meter.

A light pipe, such as this example, is often used for this purpose. For example, I've seen these used to get status LEDs from a PCB of a disk enclosure on a server, to the front panel of each drive carrier.

Digikey and other distributors carry the flexible variety in a number of lengths, ranging from a few mm to over a meter.