Experienced: unusual construction, intarsia

Color shifts are accomplished by casting on using three balls of yarn that have been started at different points in the color sequence.
The pattern does not specifically say to use intarsia, but it does say to continue working with the 3 balls of yarn to create a color block effect, and you can see the join points in the images, so it is safe to assume intarsia is the technique being used.

Finished measurements
Width: 41 (43, 45) in/ 94 (99, 104) cm.
Length: 25 (26, 27) in/ 63 (66, 68) cm.
Sleeve Length: 13 1⁄2 (14 1⁄2, 15 1⁄2 )in/ 34 (37, 39) cm.

400 (440, 480)g of Noro Silk Garden in shade #437.