Embroidery hoop size chart
The Baby Lock Aurora stitches a maximum embroidery field of 4 x 4 inches (100 x 100 mm). Baby Lock's compact sewing and embroidery combo with a 4 x 4 field.
Maximum field
4 x 4 in
In millimeters
100 x 100 mm
Needles
1 (single-needle)
Checked against the field in either orientation, with the design sizes embroiderers usually quote. A design that fills the field edge to edge needs a size down or the next machine up, because you still want room for a basting box and for nudging placement.
Read from babylock.com, Aurora product page on September 24, 2026. If Baby Lock changes the spec, that page wins over this one. The full chart of every machine and hoop we have verified, with a will-it-fit checker, is the embroidery hoop size chart.
Once you know the design fits, the embroidery pricing calculator works out what to charge from the stitch count, the blank, hooping, and digitizing.
4 x 4 inches (100 x 100 mm). That is the field the needle can reach, which is smaller than the plastic hoop, and it is the number Baby Lock publishes on the machine's own product page.
Not a finished cap. The Aurora is a single-needle flatbed machine with no cap frame, so a hat has to be stitched flat before assembly or hooped as a flat panel. Cap frames are a multi-needle feature.
Only by splitting it in software and re-hooping between sections, lining them up with alignment stitches. It works, and every re-hoop is a chance for the sections to land slightly off. For paid work, quote designs that fit the field in one hooping, and price a split job for the extra handling.
No. The hoop is the plastic frame; the embroidery area is the region inside it the needle can reach, and it is always the smaller number. Every figure on this page is the field, not the frame.