Photo cluttered real
hard tier · create · with a reference image
The request
In the attached photo the part I want is the black tray; the round grey knob beside it is something else lying on the desk — ignore it. The tray is 174.34 mm long, 107 mm wide and 17.98 mm tall: a plain open tray with 2.63 mm walls and floor and rounded corners, without the ribs or the magnets. Build it open side up, floor on Z = 0, length along X, centred on the origin. Name the sub-part `part`.

What the AI judge checks
- The overall form matches the reference: the same kind of object, the same silhouette from the matching angle
- Proportions match: the relative sizes of the major dimensions agree with the reference within what the eye can judge
- Every major feature visible in the reference (holes, slots, bosses, tabs, lips) is present in the result
- Those features sit where the reference has them
- Nothing is present that the reference does not show — no decorative or unexplained geometry
- The result is the tray the prompt named, not the round knob lying beside it, and the knob was not modelled as well
- No ribs, pockets, holes or text — a plain tray
Measured checks
- watertight (gate)
- one sub-part named part (gate)
- seeds the refused reference with segment_reference
- the seeded mask is accepted and stored
- applies after seeding are match-scored
- silhouette matches the seeded reference
- bbox 174.34×107×17.98
- the tray is hollow
- the floor is solid
Ranked by hand
One reviewer put one attempt from each model in order, best first, ties left tied.
Ordering by hand decides Human rank and Human rate on the leaderboard; it never affects Overall or Strict.
Every model's attempts
Run baseline-2026-092026-09-10commit 41aec7daspend $339.70 + $48.02 AI judging, 7 unpricedOther runs: 2026-09-04T20-02-10-stage2-hard-cases, 2026-09-04T19-48-31-screen-14-fixed