3D printable headphones

Features:

• 3D printable
• 40 mm drivers
• Utilizes Beyerdynamic DT770/DT880/DT990 earpads and headband
• Mini XLR socket
• Open/closed versions of the earcups
• Designed with durability and repairability in mind

Parts to assemble:

Count	Part	Filament	Notes
1	earcup	Hard*	Houses the driver.
1	earcup_xlr	Hard*	Houses the driver and the mini XLR socket.
2	driver_plate	Hard*	Holds the driver. Inserted into earcup.
2	driver_plate_ring	Hard*	Holds the driver_plate in place in the earcup.
4	driver_bracket	Soft**	Holds down the driver to the driver_plate.
2	driver_gasket	Hard*	Gasket for the driver. Inserted into driver_plate.
2	earcup_band	Hard*	Goes around the earcup.
1	headband	Hard*
2	slider_part_1	Hard*	Part 1 of the slider mechanism.
2	slider_part_2	Soft**	Part 2 of the slider mechanism.
2	slider_rod	Hard*	Slides into the slider part 1 + part 2.
2	40 mm driver		Inserted into driver_plate.
1	Mini XLR cable
1	Mini XLR socket		Mounts to earcup_xlr. Mounting hole diameter is 11.4 mm.
1	3-4 mm wire		2 wires inside. Connects the earcups/drivers.
2	DT-series earpads		Attaches to the earcups.
1	DT-series headband		Attaches to the headband.
8	M3 insert		Heated and inserted into driver_plate.
8	M3 nut		Inserted into slider_part_1.
8	25mm? M3 screw		Screws for the slider mechanism.
8	4mm M3 screw		Screws the driver_bracket to driver_plate.
2	10mm M3 screw		Screws the slider_rod to earcup_band.
2	73mm diameter felt fabric circle		Optional: used for tuning the sound of the open earcups.

* Filaments such as PLA, PETG etc.

** Filaments such as TPU, TPC, TPA etc.

Notes

• Mirror the parts depending on your setup (cable on left/right earcup etc).
• Use as small and narrow M3 inserts as possible, some of the cheaper/wider ones may not fit.
• Use countersunk screws.