Using Detailed Cat Chart, work the cat's eyes, nose, whiskers, heart collar and outline in duplicate stitch.
Place the back and front together, with wrong sides facing out. Join shoulder seams using the 3 needle bind off.
Fold sleeves in half lengthwise and pin into place, with center of sleeve at shoulder seam. Sew the side and sleeve seams.
Work the Neck:
With the circular needle, pick up and knit 10 (11, 11, 11, 11, 11, 11) stitches down left front of neck, knit the 16 (16, 18, 18, 20, 20, 22) stitches from the holder at front neck, pick up and knit 10 (11, 11, 11, 11, 11, 11) stitches up right front of neck, and knit the 24 (26, 28, 28, 30, 30, 32) stitches from the back. There are 60 (64, 68, 68, 72, 72, 76) stitches. Place marker and join in the round.
Work in 2x2 ribbing for 1 (1, 1, 1.5, 1.5, 1.5, 1.5) inches. Bind off loosely in rib.
Weave in ends end then block sweater to schematic measurements; take particular care with the cat motif to even out any tight or loose stitches.