You will be the talk of the party when you arrive in this trendy and stylish knit jacket constructed and trimmed completely with your Baby Lock serger. Have fun while learning to conquer that difficult fabric! Download printable instructions.


  • 4 Spools Madeira AeroLock serger thread
  • 2 Spools Madeira Lana wool thread
  • Aerofil thread to match fabrics
  • “Looking Good Jacket or Vest” Pattern by MacPhee Workshop (MWLGJ) Refer to Pattern for Style and size for fabric amount (We used Sophia Cotton Double knit from Nancy’s Notions)
  • ¼ yard Knit fuse interfacing
  • 28 mm Rotary Cutter
  • 45 mm Rotary Cutter


  • Baby Lock Serger
  • Baby Lock Sewing Machine


  1. Select the size, length and style of jacket or vest.

  2. Cut front, back, and sleeves using the 45mm rotary cutter, you may want to use the 28mm cutter for the arm hole and back neck area.

  3. Cut the circular collar pieces with the 28mm rotary cutter it will again be easier to maneuver the curve with a smaller cutter.

  4. Thread the Baby Lock Eclipse DX for a 3 thread overlock stitch.

    Needle: O2 Aerolock thread Upper looper: Lana thread Lower looper: Lana thread Stitch length: 2.5-3 mm Stitch width: 5.0

  5. Clean finish the edge of the circular ruffles using the stitch setting above as you stitch do not pull on the fabric this will stretch the edge and distort the edge of your fabric.

    If you find the loops are hanging off the edge check the differential feed. If it is set below the N setting it will stretch the edge of your ruffle and the stitches will fall off the edge. If you choose to use a lighter weight knit you may need to raise the differential feed, the feed dogs will then take a longer stroke moving the fabric into the machine faster preventing the stretch of the knit. Test this on a scrap of fabric before you finish your ruffle edge.

  6. Follow the pattern instructions for construction.

  7. Use a 4 thread over lock stitch for construction, place the Aerolock thread in both left and right needles along with both Upper and lower looper.

    Needles O1 and O2 Stitch Selector A Differential feed N Stitch Length 2.5-3.0 Stitch Width 7.5

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