[{"title":"( 8 个子文件 288KB ) 3d打印机性能测试模型包","children":[{"title":"3d打印机性能测试模型包","children":[{"title":"overhang_test.stl <span style='color:#111;'> 980.44KB </span>","children":null,"spread":false},{"title":"Z_resonance_test.stl <span style='color:#111;'> 450.93KB </span>","children":null,"spread":false},{"title":"XY_resonance_1.0mm_walls.stl <span style='color:#111;'> 454.74KB </span>","children":null,"spread":false},{"title":"fine_positive_features.stl <span style='color:#111;'> 797.80KB </span>","children":null,"spread":false},{"title":"bridging_test.stl <span style='color:#111;'> 44.43KB </span>","children":null,"spread":false},{"title":"XY_resonance_test.stl <span style='color:#111;'> 485.47KB </span>","children":null,"spread":false},{"title":"negative_space_tolerance_test.stl <span style='color:#111;'> 1.23MB </span>","children":null,"spread":false},{"title":"dimensional_accuracy_test.stl <span style='color:#111;'> 516.11KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]