This connector provides strain relief for USB cable when assembling your light boxes.
STEP files are included for modification/adjustment (if necessary).
Printed at 0.12mm layer height @ 15% infill
3MF file contains the 2 piece connector and led light box test wall (3mm thick) - thickness of wall insert can be adjusted to match your light box.
Feed cable though wall opening, glue both halves of connector around cable and insert into keyed hole. See pictures.