The inner diameter is ~19mm.
If you print this in PLA, you might want to dip the piece in hot water for a couple of seconds before connecting to avoid a crack.
If you are using TPU this should go well.
| 90degree_connector_female.stl | 1.5MB | |
| 90_degree_connector_19mm_internal_diam.stl | 1.7MB |
