I adore the Koss HV-1A, and instead of scratch building a whole thing, for now just went with making a semi-open back for these with the same design.
Consider making a thin foam gasket between these and the earcups. B Version lines the vents up with the drive clamp right better
You will need supports for printing.
Koss_LV10thick.stl | 520.5KB | |
Koss_LV10thin.stl | 487.0KB | |
Koss_LV10_b2.stl | 452.2KB |