I own Felix 1.5. Overall a good printer with a nice looks. Had a few issues with it, though. Needed to put a heat isolation beneath a heated bed to reach temperatures over 80 degrees. Also, would prefer a more solid heated bed. Soldering on the LCD knob was very poor, has to re-solder wires. But the main problem is the extruder. Lots of jams and clogging, tried 3 stock hot ends without a great success. Ordered E3D V6 all metal hot end and now I'm working on how to attach it to the printer. I hope that will bring my Felix printer back to operational state.