#0010 bookshelf-3-shelf medium
gpt-5.4-mini · scaffold-assembly-v1
CaSS 0 BOM 0 Scope 0 Build —
Model did not converge
model produced a non-conformant assembly (assembly instance counts must exactly match final_bom.parts quantities)
Task brief
Design a small LEGO bookshelf: a freestanding upright unit with three horizontal shelves (including the top), two vertical side walls, and a closed back. The interior shelf openings should each be at least 4 studs wide and 3 bricks tall. Use brown. Output a BOM.