01 Sew seat panels on foam or non-woven underlay
02 Stitch through seat panels and attach retainer tape
03 Sew side panels on foam or non-woven underlay
04 Ruffling of side panels
05 Sew centre panel on foam or non-woven underlay
06 Sew side panels on seat panels and attach retainer tape
07 Sew center panel on side panels and attach retainer tape
08 Sew extension parts on seat panel
09 Join bottom parts
10 Attach bottom parts
11 French seaming of closing seam on bottom part
12 Attach retainers
