Ultimaker Bowden Fixer (BFX-01)

## What is a Bowden Fixer?
The bowden tube and black cable leading from the extruder to the back of the UM2 is not tied to anything, therefore both cables are flexing freely whenever the printer is printing. Although this wouldn't normally cause problems to the printer, fixing these cables in place will eliminate any possibility, as well as making everything more tidy on the printer.

## Design Considerations
The BFX01 is designed to be a single piece, therefore it's easy to print, install a