portafilter.svg · 122 lines
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<clipPath id="basketHole"><ellipse cx="480" cy="262" rx="142" ry="48"/></clipPath>
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<path d="M64 142H1136" stroke="#ccd6d9"/>
<text x="64" y="58" class="small">COMPONENT STUDY / 01</text>
<text x="64" y="108" font-family="Arial,Helvetica,sans-serif" font-size="39" font-weight="600" fill="#19323f">Espresso portafilter</text>
<text x="1136" y="105" text-anchor="end" class="small">DOUBLE SPOUT · EXPLODED VIEW</text>
<!-- Common assembly axis; interrupted by solid components -->
<path d="M480 185V1048" stroke="#a4bcc5" stroke-width="1.5" stroke-dasharray="6 8"/>
<!-- Removable, flanged filter basket -->
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<!-- Spring wire: split to permit removal -->
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<!-- Handle remains installed; metal collar and dark molded grip -->
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<!-- Cast body and bayonet locking ears -->
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<ellipse cx="480" cy="820" rx="24" ry="9" fill="#344f5e" stroke="#829ba7" stroke-width="2"/>
<ellipse cx="480" cy="631" rx="160" ry="62" fill="url(#rim)" class="outline"/>
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<!-- Threaded double-spout fitting -->
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<!-- Callouts -->
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<text x="834" y="214" class="number">01</text><text x="865" y="214" class="label">Filter basket</text>
<text x="865" y="239" class="note">Removable stainless steel</text><text x="865" y="260" class="note">Perforated base · rolled rim</text>
<circle cx="613" cy="510" r="3.5" class="dot"/>
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<text x="834" y="458" class="number">02</text><text x="865" y="458" class="label">Retaining spring</text>
<text x="865" y="483" class="note">Split wire ring holds basket</text><text x="865" y="504" class="note">in the body's inner groove</text>
<circle cx="296" cy="631" r="3.5" class="dot"/>
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<text x="85" y="559" class="label">Locking ears</text>
<text x="85" y="581" class="note">Engage the group head</text>
<circle cx="357" cy="737" r="3.5" class="dot"/>
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<text x="85" y="821" class="number">03</text><text x="114" y="821" class="label">Portafilter body</text>
<text x="85" y="846" class="note">Closed collector with outlet</text>
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<text x="915" y="895" class="label">Handle</text>
<text x="915" y="920" class="note">Shown attached to body</text>
<circle cx="590" cy="944" r="3.5" class="dot"/>
<path d="M590 944L715 1005H811" class="leader"/>
<text x="834" y="997" class="number">04</text><text x="865" y="997" class="label">Double spout</text>
<text x="865" y="1022" class="note">Threaded, removable fitting</text><text x="865" y="1043" class="note">Two outlets for two cups</text>
<path d="M64 1087H1136" stroke="#ccd6d9"/>
<text x="64" y="1120" class="small">ASSEMBLY ORDER: 04 → 03 → 02 → 01</text>
<text x="1136" y="1120" text-anchor="end" class="small">SCHEMATIC · NOT TO SCALE</text>
</svg>Exploded portafilter: GPT-6.1 Sol
modelopenai/gpt-6.1-soltaskexploded-portafilter@v1, checks c1, harness h1date2026-10-07rounds1 of 8 allowed, 12 minutes on the clockcost$0.0641thinkingmediumtokens21,195 in, 4,820 out, of which 608 reasoningtime1 min 32 s
All five partsdecided by looking · Pass if every listed part is drawn as a separate shape and each has a label naming it. A part only named in a label or a comment, with nothing drawn, fails it. The label must say what the part is, in any words: a name that only says where it sits ("top plate") or what it is made of, or a mention in another part's caption, does not count.pass
Stack orderdecided by a number, from the filepass
Parts fitdecided by looking · Pass if each listed pair of mating parts looks as if it would go together as stated: the right angle, nested inside, or sitting on top. One pair that plainly could not fails it.pass
Two assembly axesdecided by looking · Pass if one line runs through the middle of every part on each listed axis, and every leader line leaves from the same side. One part pushed off its axis fails it.pass
Labels matchdecided by looking · Pass if following each leader line from its label ends on the part that label names. One label pointing at the wrong part, or at nothing, fails it.pass
There is no post about this one, since only some results need one, so the picture, the source and the scoring are here instead.
run 2 · 3r · $0.0930
run 3 · 2r · $0.0817same prompt, other modelsall 22 runs on Exploded portafilter →
Draw an exploded assembly diagram of an espresso machine portafilter, as an SVG. Use a double-spout portafilter with a removable basket rather than a bottomless one.Frozen at v1. This model got this and nothing else.
On a vertical axis, top to bottom: filter basket, retaining spring, portafilter body, double spout. The handle is on a horizontal axis off the body, so this is the one member with two axes. Checked against parts sellers, since no maker's exploded diagram could be fetched: Espresso Parts and Zirkus Coffee on the spring that clips into a groove inside the body and grips the basket rim, Espresso Parts on the spout that screws onto the bottom of the body, and Nepo Coffee on handles that screw onto a stud on its side. How it is scored, and this run's files on GitHub.