The IKEA Billy (Combo Trio) spots three sets of the Billy bookcase put together to form a trio bookcase for books, framed photos, and mementos in a study room or home library. The furniture has fourteen rectangular-shaped cabinets on either ends and seven square-shaped cabinets in the middle.

BILLY Bookcase, white, 31 1/2x11x41 3/4 - IKEA

FUFU&GAGA White Wood Accent Storage Cabinet With Tempered Glass Doors, Anti-dumping Device (31.5 in. W x 13.8 in. D x 78.7 in. H) KF210224-01 - The Home Depot

BILLY bookcase, white, 311/2x11x791/2 - IKEA

BILLY bookcase with drawer, white, 311/2x113/4x413/4 - IKEA

IKEA Billy Bookcase - Combination Duo Dimensions & Drawings

BILLY bookcase corner comb w ext units, white, 531/2/531/2x11x931/4 - IKEA

IKEA Billy Bookcase - Wide Low Combination Dimensions & Drawings

March 2021 – simplify the chaos

IKEA Billy Bookcase - Combination Trio Dimensions & Drawings

BILLY / OXBERG bookcase with doors, 311/2x113/4x413/4 - IKEA

IKEA Billy Bookcase, White : Home & Kitchen