Spacer flange

easy tier · modify

The request

Add a base flange to the spacer: a 24mm diameter, 2mm thick disc at the bottom, concentric with the body. The bore must still go all the way through.

What the AI judge checks

Measured checks

flange widens the footprint to ~24
height unchanged (~10)
volume grew by roughly the flange disc

Ranked by hand

One reviewer put one attempt from each model in order, best first, ties left tied.

#1 tie
Gemini 3.8 Flash
#1 tie
GPT-5.6 Sol
#1 tie
GPT-6 Astra
#1 tie
Opus 5
#1 tie
Fable 5.1

Ordering by hand decides Human rank and Human rate on the leaderboard; it never affects Overall or Strict.

Every model's attempts

Fable 5.1
100 100
100
$0.18
26s
GPT-5.6 Sol
100 100
100
$0.06
13s
GPT-6 Astra
100 100
100
$0.38
35s
Gemini 3.8 Flash
100 100
100
$0.09
38s
Opus 5
100 88
100
$0.19
1m 44s

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