ResearchBenchmarksArticulation Modeling on Fan OODArticulation Modeling on Fan OODFollow91.1F-ScoreSketch2Arti86.54588.822591.193.3775Apr 28, 2026Evaluation resultsMethodMethodLinksF-ScoreChamfer Distance (CD)Joint Axis ErrorJoint Pivot ErrorSketch2Arti2026.0491.10.0540.0990.065