[
 {
  "name": "P1 底仓",
  "watertight": true,
  "volume_cm3": 207.0,
  "weight_g_PETG": 263.0,
  "size_mm": [
   100.0,
   196.0,
   124.25
  ],
  "tris": 6112,
  "genus_ok": "NoError"
 },
 {
  "name": "P2 顶盖外壳",
  "watertight": true,
  "volume_cm3": 69.8,
  "weight_g_PETG": 89.0,
  "size_mm": [
   100.0,
   196.0,
   21.95
  ],
  "tris": 5054,
  "genus_ok": "NoError"
 },
 {
  "name": "P3 摄像头安装板",
  "watertight": true,
  "volume_cm3": 34.8,
  "weight_g_PETG": 44.0,
  "size_mm": [
   94.6,
   184.6,
   5.74
  ],
  "tris": 6530,
  "genus_ok": "NoError"
 }
]