Objective: Produce one small, saleable quilted item (a four-patch potholder) by combining the threading, stitching, and part-handling skills from earlier lessons into a single start-to-finish workflow.
A potholder is the ideal first project because it uses every core quilting step in miniature: piecing, layering, quilting, and binding. On the MC8200, start by selecting straight stitch (pattern 01) and attaching the 1/4-inch foot (foot O). The accurate 1/4-inch seam is the single most important skill in piecing—if seams drift, blocks won't finish to size and buyers will notice. Use the red guide line on foot O, and confirm by sewing a test seam and measuring. Set stitch length to 2.0-2.2mm for piecing, which is slightly shorter than default to lock seams that will be pressed and handled. Lower the feed dogs only for free-motion quilting later; keep them up for piecing. Chain-piecing—feeding pairs one after another without cutting thread—saves time and thread, which matters when you make items for resale. After piecing, press seams to one side (toward the darker fabric) with a dry iron so blocks lie flat and square. Then make a quilt sandwich (top, batting, backing), quilt simple straight lines using the walking/AcuFeed foot to prevent layer shifting, and finish the edges with binding.
Example: Cut four 3.5-inch fabric squares (two light, two dark). With foot O attached and straight stitch selected at 2.0mm, place one light and one dark square right sides together and sew the right edge at a 1/4-inch seam. Without lifting the foot or cutting, feed the next light/dark pair right behind it—this is chain-piecing. Snip the pairs apart, press each seam toward the dark fabric. Now you have two rows; sew the two rows together, matching the center seam so corners meet, to form a four-patch. The finished block should measure 6.5 inches square (6 inches once more seams are added). Layer it over batting and backing, switch to the AcuFeed/walking foot, and quilt two diagonal lines. Bind the edges with a 2.5-inch folded strip.
Try it: Make one four-patch potholder on the MC8200. Cut four 3.5-inch squares (two of each color). Attach foot O, select straight stitch at 2.0mm, and sew a test seam; measure it with a ruler to confirm it is exactly 1/4 inch—adjust needle position if needed. Chain-piece the two pairs, press seams toward the dark fabric, then join the rows into a four-patch. Layer with batting and backing, attach the AcuFeed foot, quilt two straight lines, and note how long the whole process took.