{
 "aluminium (JLCCNC, durable)": {
  "cavity half": {
   "valid": true,
   "solids": 1,
   "volume_mm3": 10234.9,
   "bbox_mm": [
    48.0,
    28.0,
    8.002
   ],
   "mass_g": 27.6,
   "jlccnc_minimum_ok": true,
   "two_setup_reach": {
    "faces": 182,
    "points": 588,
    "blocked": 0,
    "blocked_points": []
   },
   "release (ray +Z from every cavity face)": {
    "faces": 132,
    "points": 448,
    "undercuts": 0,
    "undercut_points": []
   }
  },
  "lid": {
   "valid": true,
   "solids": 1,
   "volume_mm3": 10186.0,
   "bbox_mm": [
    48.0,
    28.0,
    8.471
   ],
   "mass_g": 27.5,
   "jlccnc_minimum_ok": true,
   "two_setup_reach": {
    "faces": 64,
    "points": 216,
    "blocked": 0,
    "blocked_points": []
   },
   "release (ray -Z from every plateau face)": {
    "faces": 36,
    "points": 112,
    "undercuts": 0,
    "undercut_points": []
   }
  },
  "closed: cavity half x lid overlap_mm3": 0.0,
  "cast key vs model key": {
   "key_volume_mm3": 55.776,
   "cast_volume_mm3": 54.284,
   "cast_minus_key_mm3": 0.0512,
   "key_minus_cast_mm3": 1.5426,
   "cap_width_X": {
    "near the face": 4.086,
    "at the flange step": 4.12,
    "tolerance": [
     4.05,
     4.15
    ]
   },
   "cap_length_Y": {
    "near the face": 9.886,
    "at the flange step": 9.92,
    "tolerance": [
     9.85,
     9.95
    ]
   },
   "flange_length_Y": {
    "at the flange underside": 11.0,
    "at the parting plane": 11.016,
    "nominal": 11.0
   },
   "recess_depth": 0.47,
   "shrink_allowance": "none: PMC-780 DRY shrinks < 0.001 (data sheet), 0.011 mm over the 11.0 mm flange",
   "cap_inside_its_tolerance": true
  },
  "smallest internal radius": "R0.3: chevron groove (cut with a d0.6 end mill along its centre line, 0.2 deep)",
  "ok": true
 },
 "resin (JLC3DP SLA, default)": {
  "cavity half": {
   "valid": true,
   "solids": 1,
   "volume_mm3": 6240.3,
   "bbox_mm": [
    48.0,
    28.0,
    8.506
   ],
   "volume_cm3": 6.24,
   "release (ray +Z from every cavity face)": {
    "faces": 132,
    "points": 448,
    "undercuts": 0,
    "undercut_points": []
   }
  },
  "lid": {
   "valid": true,
   "solids": 1,
   "volume_mm3": 4821.4,
   "bbox_mm": [
    48.0,
    28.0,
    5.472
   ],
   "volume_cm3": 4.82,
   "release (ray -Z from every plateau face)": {
    "faces": 36,
    "points": 112,
    "undercuts": 0,
    "undercut_points": []
   }
  },
  "closed: cavity half x lid overlap_mm3": 0.0,
  "cast key vs model key": {
   "key_volume_mm3": 55.776,
   "cast_volume_mm3": 54.284,
   "cast_minus_key_mm3": 0.0512,
   "key_minus_cast_mm3": 1.5426,
   "cap_width_X": {
    "near the face": 4.086,
    "at the flange step": 4.12,
    "tolerance": [
     4.05,
     4.15
    ]
   },
   "cap_length_Y": {
    "near the face": 9.886,
    "at the flange step": 9.92,
    "tolerance": [
     9.85,
     9.95
    ]
   },
   "flange_length_Y": {
    "at the flange underside": 11.0,
    "at the parting plane": 11.016,
    "nominal": 11.0
   },
   "recess_depth": 0.47,
   "shrink_allowance": "none: PMC-780 DRY shrinks < 0.001 (data sheet), 0.011 mm over the 11.0 mm flange",
   "cap_inside_its_tolerance": true
  },
  "resin between a cavity and the back pockets (min, measured), mm": 2.002,
  "lid: resin round the pour / vent holes and sockets to the back pockets (min, measured), mm": 1.25,
  "lid: face plate under the back pockets, mm": 2.0,
  "back pockets: depth cavity half / lid, mm": [
   2.15,
   3.0
  ],
  "pin d / socket d (slip per side)": [
   4.0,
   4.2,
   0.1
  ],
  "bolts": "4 x M3 x 16 socket head through both plates (d3.4 holes), washers + nuts; stack 6.0 + 5.0",
  "smallest internal radius": "R0.3: chevron groove (printed)",
  "ok": true
 },
 "ok": true
}