Knitting pattern for the “Grignan” sleeveless children’s vest

With this sheet, you will be able to knit this sleeveless vest in Duvet d'Anjou, a yarn composed of 70% wool and 30% angora rabbit. 
Straight cut, V-neck and i-cord edges. 
Model knitted in garter stitch with a frieze of diamonds and bobbles at the bottom of the cardigan. 
The vest is tied with an i-cord.
 This model is knitted in one piece up to the armholes, then the half fronts and back are knitted separately and the shoulders are joined by casting off the stitches with 3 needles.
 The model is available from 2 to 12 years old. 
Follow the explanations and diagrams of the knitting pattern. 
You will need circular needles size 4.5 and needles 4.5, needles 5.5 (to bind off 3-needle stitches) and double-pointed needles 4.5.   This pattern is printed in A4 format and presented in a transparent pocket. 
In addition to the explanations for making the model, find advice and tips on knitting finishes, the composition and maintenance of wool, etc.