Objective: Combine previously learned intermediate skills into one marketable product by making a fully lined zippered pouch on the Janome MC6650.
A lined zippered pouch is the classic first 'sellable' item because it packages everything you already know—accurate 1/4" to 1/2" seams, zipper insertion, topstitching, and clean corners—into a finished product customers will pay for. The build order matters: you sew the zipper between the outer fabric and lining on each side, then open the zipper halfway (critical, so you can turn it later), fold so outer-meets-outer and lining-meets-lining, and sew around the perimeter leaving a turning gap in the lining bottom. Use medium-weight interfacing fused to both outer panels so the pouch holds its shape—this is what separates a hobby item from a product. On the MC6650, drop to a straight stitch at 2.5mm length, use the zipper foot (Foot E) for the zipper passes, and switch to the standard foot for assembly. Lower the feed-dog pressure slightly if interfaced layers feel stiff. Clip corners at 45 degrees before turning to remove bulk, push corners out with a blunt tool, press flat, and topstitch beside the zipper at 1/8" using the needle-position buttons to guide an even line. The Janome's thread cutter and automatic tension keep seams consistent across repeated units, which is what makes batch production profitable.
Example: For a 7"x5" finished pouch: cut two outer and two lining rectangles 8"x6", and fuse 8"x6" interfacing to each outer. Lay zipper right-side-down on one outer top edge, lining right-side-down on top; sew with Foot E. Repeat on the other side. Topstitch both zipper edges at 1/8". Open zipper halfway. Reposition outer-to-outer, lining-to-lining, sew the perimeter at 3/8" leaving a 3" gap in the lining bottom. Clip four corners, turn right-side-out through the gap and the open zipper, close the gap with a topstitch, push lining inside. Total active sewing: about 20 minutes once practiced—at a $22 sale price and ~$4 materials, that's a strong margin.
Try it: Make one lined zippered pouch following the example dimensions. Time yourself from cutting to finished product, note the exact minutes, and record your material cost. Then write down one step that slowed you down and one adjustment (foot, needle position, or stitch length) you'd make to speed up a batch of five.