Long Sleeve Tunic Pattern by The Assembly Line


A wardrobe classic with the power to elevate any outfit.
The Long sleeve tunic has a straight shape with a little extra volume in the back. Features a hidden zipper in the back, and slits in the sides and sleeve endings.


This is a multi-size pattern that comes in two size ranges, including either XS-L or XL-3XL. The traceable patterns comes carefully packaged in an envelope together with step-by-step sewing instructions.



Seam allowances are included in the pattern.

Fabric needed:
110-120 cm fabric width 
XS 1.7 m / S 1.9 m / M 2.0 m / L 2.0 m / XL 2.2 m / 2XL 2.4 m / 3XL 2.5 m 

140-150 cm fabric width
XS-L 1.5 m / XL 1.8 m / 2XL 1.9 m / 3XL 2.0 m 

Suggested fabrics are light to medium weight fabrics.

You will also need:

  • Matching thread
  • Fusible interfacing
  • Concealed/invisible zipper, approx 25 cm



  • Lengthen it into a dress
  • Add the sleeve extension pattern and try different sleeves (please note the notches doesn’t match completely but the one on the sleeve crown complies with the tunic shoulder seam).
  • Choose contrasting colour for the hem seams
  • Skip the zipper in the back (just make sure you will be able to pull the tunic over your head), and cut the back on the fold.


Model is 170 cm tall and wearing a size S. Please visit our size guide below to find your perfect size, based on the bust measurement.

Additional information