{"submission_id":"a5a044b4-257d-4133-aee8-4713023b4bd0","submission_revision_id":"91edd4d8-aaf3-402d-8647-a67f887e9edc","revision_version":1,"submission_status":"submitted","submitted_at":"2026-10-15T01:30:54.713297Z","submitter_name":"Haoyang Su","submitter_email":"hoyantsu@gmail.com","task":{"status":"submitted","version":1,"extra_fields":{"difficulty_self_test":{"model":"GPT-6 Astra","harness":"Codex","estimated_score":"<1%"}},"submitted_at":"2026-10-15T01:30:54.713297+00:00","industry_domain":"Scientific Exhibits","task_short_name":"crystal_exhibit_mechanical_design_01","operating_system":"Linux","task_description":"# Deliver a detachable, printable LiFePO4 crystal exhibit\n\nA science exhibition workshop needs a physical crystal exhibit whose structure can be checked against the supplied LiFePO4 coordinates. Deliver the manufacturing handoff, not a picture or a numerical phase diagram.\n\nSOURCE MATERIALS\nUse the selected LiFePO4 structure identified in scientific_results/reference.json. The source structures, CIF exports and scientific analysis are supplied. The assignment is a simulated manufacturing commission using those real coordinates; no claim is made that a specimen has already been manufactured.\n\nWORK ORDER\nBuild a 3 by 3 by 2 periodic supercell, retaining every site exactly once under a half-open unit-cell convention. Use a single uniform conversion from angstroms to millimetres so that the longest supercell lattice vector is 300 mm. Preserve lattice angles, relative coordinates, element identities and periodic relationships. This is a display scale, not a claim about atomic radii.\n\nDesign a mechanically supported exhibit with a removable middle unit-cell layer along the second lattice direction. Every atom marker must have a positive mechanical support; a disconnected floating sphere is not a valid printed part. The removable layer must have a demonstrable collision-free extraction path without removing the outer two layers. Design the support architecture rather than exporting a fused cloud of spheres.\n\nThe workshop provides a five-material FDM printer with independently controlled extruders and firmware-compensated offsets. Use FDM manufacture with a 0.4 mm nozzle and 0.2 mm layer height, a 220 by 220 by 250 mm build envelope, minimum structural wall thickness 1.2 mm, minimum marker diameter 4 mm and 0.25 mm nominal radial clearance for locating pins. Divide the model into printable parts, provide registration features, and fit every oriented part within the build envelope. Do not shrink, move or omit atom sites to resolve a fabrication problem. A marker's centre, rather than its surface radius, carries the crystallographic position.\n\nProvide a native FreeCAD assembly with editable dimensions, separate solid bodies, named element/site identities and a parameter table controlling the global display size. Recompute a second instance at a 330 mm longest lattice vector without manually replacing the geometry. Maintain the manufacturing constraints in both instances. Produce exploded assembly drawings, a numbered bill of materials, fabrication drawings and STEP and 3MF exports. Include a PrusaSlicer project that assigns every manufactured part to a valid plate and retains the declared print settings. Supply assembly and disassembly instructions illustrated from the actual project.\n\nSUCCESS RULES\nThe assembled site centres must match the periodic source coordinates to 0.05 mm after the declared uniform scaling and rigid placement. All sites must be present exactly once with correct element labels. Parts must be valid closed solids, satisfy the stated dimensions, and assemble without unintended solid intersections. Intentional mating contacts are permitted. The removable layer must traverse a continuous, collision-free extraction path. The 300 mm and 330 mm projects must recompute, and the BOM, drawings, meshes and slicer plate inventory must agree with their assemblies. Alternative support and connector designs are accepted if they satisfy every constraint.\n\nDELIVERABLES\nNative .FCStd assembly, drawings, BOM, STEP, 3MF, native slicer project, assembly instructions and dimensional/clearance inspection evidence. No source-code submission. A rendered image, atom-coordinate CSV or STL without the editable assembly is insufficient.\n","software_licensing":"Free/Open Source","evaluation_criteria":null,"verification_method":"Compare the submitted native FreeCAD assemblies and native slicer projects with the reference requirements and supplied source coordinates. PASS only if both the 300 mm and 330 mm assemblies contain exactly 504 labelled sites (72 Li, 72 Fe, 72 P, 288 O), 18 supported cell modules and 42 locating pins; every site is present once and its centre is within 0.05 mm of the uniformly scaled source coordinate after rigid placement; all parts are closed valid solids with no unintended intersections; all stated wall, hole and layer clearances are met; the middle layer has a continuous collision-free extraction path; and every object lies within the stated printer envelope. The BOM, drawings, STEP/STL exports and slicer inventories must agree with the corresponding native assembly. PASS also requires native recomputation at both sizes and the required 3 and 5 slicer plates. A different support or connector shape passes only when every listed count, coordinate, clearance, collision, envelope and deliverable comparison passes. A picture or coordinate table alone is insufficient.","software_and_version":"FreeCAD 0.19.2, PrusaSlicer 2.4.0","specific_requirements":null,"expected_completion_time":null},"files":[{"file_id":"7523026b-a302-4641-8881-42a9d8523d45","filename":"task_01_inputs.zip","category":"input_materials","content_type":"application/x-zip-compressed","size_bytes":2985403},{"file_id":"7c04dae4-49a6-46c6-9a84-7ce97aee3677","filename":"task_01_reference.zip","category":"reference_output","content_type":"application/x-zip-compressed","size_bytes":38244200},{"file_id":"16eccb0e-255d-47a4-812b-fe2d0b716810","filename":"task_01_evidence.zip","category":"difficulty_self_test_evidence","content_type":"application/x-zip-compressed","size_bytes":7589}],"deep_review":{"overall_verdict":"Borderline Accept","review_text":"**Overall Verdict:** Borderline Accept — the task and reference package are technically substantial and coherent, but partial-success grading needs one small clarification.\n\n**Completeness Check:**\n\n- Instruction: Complete — defines the crystallographic, mechanical, manufacturing, editing, and delivery requirements.\n- Inputs: Complete — readable structure records, CIFs, and scientific results identify the selected 28-site unit cell unambiguously.\n- Toolchain: Complete — FreeCAD and PrusaSlicer provide a viable, freely obtainable Linux workflow without required external services.\n- Reference output: Complete — both size assemblies, manufacturing exports, BOMs, fabrication drawings, assembly/extraction images, instructions, and eight native slicer plates are supplied. Static checks confirm 504 correctly labelled sites, 18 modules, and 42 pins per size.\n- Rubric: Unclear — full-pass gates are precise, but partial-success grading is undefined.\n\n**File and Task Reachability:**\n\nAttachments: `reachable`. Task: `conditionally_reachable`, pending the grading clarification.\n\nInspected `task_01_inputs.zip`, `task_01_reference.zip`, and `task_01_evidence.zip`, including nested structure/workbook containers, both native CAD documents, STEP/STL exports, all eight 3MF projects, AMF files, BOMs, drawings, instructions, validation reports, and screenshots. Downloaded sizes match the manifest; archive integrity checks found no corruption, encryption, or unsafe members.\n\nIndependent static checks found coordinate agreement well within 0.05 mm under the declared periodic-origin convention. Plate inventories total 18 modules and 42 pins at each size, retain the declared printer settings, and fit the build envelope. The stated extraction argument uses disjoint layer intervals preserved during translation.\n\nCompletion and evaluation can proceed on one suitable workstation through CAD construction, recomputation, export, slicing, and geometric comparison. Native recomputation, CAD-kernel solid validity, and intersection checks were not rerun because the applications were unavailable to the reviewer; submitted validation claims remain unconfirmed in those areas. Detailed scientific inspection focused on the selected structure. The failed self-test artifacts themselves were not supplied, so its reported outcome could not be independently reproduced.\n\nLicense keys, accounts, tokens, and other credentials are not required from the contributor. Confidential, proprietary, or internal material may be evaluated as submitted evidence without requiring additional disclosure.\n\n**Special Screening:**\n\nNone. No affirmative evidence establishes a screening violation. Public task or solution availability was not independently checked because approved search was unavailable.\n\n**Recommended Changes:**\n\nThe supplied coordinates, editable reference assemblies, and matching slicer inventories provide a strong technical foundation.\n\n- Define criterion-level partial-success grading and identify which failures mandate an overall fail. Distinguish a usable but incomplete manufacturing handoff from empty or unverifiable artifacts.","reviewed_at":"2026-10-15T01:44:46.397796Z"},"claim":null}