I got this, thought would pass on to you ladies, happy knitting! Don't knit much myself and haven't made it but have written it out as it was given to me.
To fit 11" chest, (28cm)
8 " from neck to tail. (20cm)
Jumper
Back
Beginning at tail end and 4mm (old size

needles cast on 29 stitches.
First row:
Inc in first stitch, knit to last 2 stitches inc in next stitch, k1.
Next row knit
Repeat last 2 rows twice (35 stitches)
1) next row k4 make 1, k to last 4 stitches make 1 knit 4
2) next row k4 p to last 4 sts k4
3) next row knit
4) next row as row 2
Repeat rows 1 to 4 three times (43 stitches)
Work in whatever colour/design you like ie: stripes until work measures 28cm from beginning ending with a purl row. Leave stitches on holder for now.
Underside
Cast in 15 stitches and k 2 rows.
Next row inc by 6 stitches evenly across work (21 stitches)
Next row buttonhole row: k1 k2 tog yarn round needle knit to last 3 stitches yarn around needle k2 tog k1
Next row knit
Work as before with 4 stitch border edge making 2 more sets of button holes on each following 10th row. Finishing with wrong side facing.
To shape under front legs
Next row knit 8 purl to last 8 knit 8
Next row knit
Repeat these rows twice more
Cast off 4 at beginning if next 2 rows
Continue straight keeping the first and last 4 sts knit until work measures 12cm from the beginning finishing on a wrong side row.
To join underside and back at neck:
Next row *k5 knit 2tog, repeat from * to last 4 sts, knit to end then with right side facing and in the same row knit across sts from back: *k1, k2tog repeat from * to last 3 sts k to end.
Work in single rib for 4cm
Cast off loosely
Sew on buttons, sew up side of neck
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