You'll need :
- PTFE 6.45mm OD/3.5 ID tubing (30 mm needed),
- 40mm regular fan,
- 40mm caseless graphic card fan (with provided M2 screws),
- 70mm LED ring,
- 4 copies of the provided PLA linear bushings,
- 4x 40mm M4 screw with regular nuts,
- 4x 25mm M3 screw with nylon lock nuts,
- 2x 624ZZ bearings,
- hot temp silicone,
- cyanocrylate super glue.

Print the provided bushings with PLA.
Print all the other parts with ABS.

Enlarge/finish holes with a drill if necessary :
- for the filament guide that will get the PTFE tubing (6.5mm drill),
- for the fan duct screw holes (4.5mm drill),
- for the quick-fit support holes that holds steve's extruder (4.5mm drill),
- for the quick-fit support holes for fixing the budaschnozzle (3.5mm drill),
- for the x-carriage assembly holes (3.5mm drill)

Tap with M4 tap the holes on the quick-fit support that will holds the fand duct.

Glue the LED ring on the fan duct with hot temp silicone.
Glue the 40mm fan holder to the back of the fan duct. Push your fan in the holder.

Glue together par 1 and 2 of the side fan using super glue. Screw the caseless 40mm fan to the enclosure. Push the top after properly guide the power cord in the dedicated hole.

Glue with super glue the PTFE tubing in the filament guide of the quick-fit support. Fix the budaschnozzle to the bottom of the support after guiding the cables to the dedicated holes.

Assemble the X-Carriage with M3 screws. Push-in the PLA linear bushings.
Put the 624ZZ bearing in the bird nose and X-Carriage and fix it with M4 screw.

Install the X-Carriage to the H-1. Install the side fan. Install the steve extruder to the support. Because there is not so much space, you'll have to make a gentle rotation to insert the steve extruder support to the X-Carriage quick-fit support. Turn the bird nose to tight the assembly. Install the fanduct with M4 screws. Manage your cables !