diff --git a/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/expected.json b/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/expected.json
deleted file mode 100644
index b45f6281c..000000000
--- a/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/expected.json
+++ /dev/null
@@ -1,30 +0,0 @@
-{
- "sources": [],
- "what": "a knife follower on an eccentric disc cam, the cam turned 180 degrees",
- "source": "analytic",
- "method": "an eccentric disc cam (radius 10, centre 5 off its shaft on z through the origin) with a knife follower on a slider along +x through the shaft, touching at x = 15; the knife's distance at cam turn \u03c6 is s(\u03c6) = e cos \u03c6 + \u221a(R\u00b2 - e\u00b2 sin\u00b2 \u03c6) (e 5, R 10): rise s(0) - s(180) = 15 - 5 = 10; at 180 the knife is at s = 5, 10 mm in: the tappet's centre (20,0,2.5) -> (10,0,2.5)",
- "body_count": 3,
- "volume_mm3": 5770.796,
- "results": [
-  {
-   "step": 13,
-   "json": {
-    "lift": {
-     "rise": 10.0
-    }
-   }
-  },
-  {
-   "step": 15,
-   "json": {
-    "total": {
-     "center_of_mass": [
-      10.0,
-      0.0,
-      2.5
-     ]
-    }
-   }
-  }
- ]
-}
diff --git a/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/recipe.json b/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/recipe.json
deleted file mode 100644
index 4ac5cfaf3..000000000
--- a/tests/kernel-cases/assemblies/cov-joint-cam-eccentric-disc-half-turn/recipe.json
+++ /dev/null
@@ -1,212 +0,0 @@
-{
- "commands": [
-  {
-   "command": "solid.box",
-   "params": {
-    "length": 20,
-    "width": 20,
-    "height": 10,
-    "corner": [
-     -10,
-     -10,
-     -10
-    ],
-    "operation": "new",
-    "body_name": "BaseBox"
-   }
-  },
-  {
-   "command": "solid.cylinder",
-   "params": {
-    "radius": 10,
-    "height": 5,
-    "base": [
-     5,
-     0,
-     0
-    ],
-    "axis": [
-     0,
-     0,
-     1
-    ],
-    "operation": "new",
-    "body_name": "Disc"
-   }
-  },
-  {
-   "command": "solid.box",
-   "params": {
-    "length": 10,
-    "width": 4,
-    "height": 5,
-    "corner": [
-     15,
-     -2,
-     0
-    ],
-    "operation": "new",
-    "body_name": "Tappet"
-   }
-  },
-  {
-   "command": "component.create",
-   "params": {
-    "name": "Base",
-    "parent": "root",
-    "activate": false
-   }
-  },
-  {
-   "command": "component.move_bodies",
-   "params": {
-    "bodies": [
-     "BaseBox"
-    ],
-    "component": "Base"
-   }
-  },
-  {
-   "command": "component.create",
-   "params": {
-    "name": "Cam",
-    "parent": "root",
-    "activate": false
-   }
-  },
-  {
-   "command": "component.move_bodies",
-   "params": {
-    "bodies": [
-     "Disc"
-    ],
-    "component": "Cam"
-   }
-  },
-  {
-   "command": "component.create",
-   "params": {
-    "name": "Follower",
-    "parent": "root",
-    "activate": false
-   }
-  },
-  {
-   "command": "component.move_bodies",
-   "params": {
-    "bodies": [
-     "Tappet"
-    ],
-    "component": "Follower"
-   }
-  },
-  {
-   "command": "occurrence.ground",
-   "params": {
-    "occurrence": "Base:1",
-    "grounded": true
-   }
-  },
-  {
-   "command": "joint.create",
-   "params": {
-    "type": "revolute",
-    "name": "Shaft",
-    "flip": true,
-    "a": {
-     "occurrence": "Base",
-     "point": [
-      0,
-      0,
-      0
-     ],
-     "z": [
-      0,
-      0,
-      1
-     ]
-    },
-    "b": {
-     "occurrence": "Cam",
-     "point": [
-      0,
-      0,
-      0
-     ],
-     "z": [
-      0,
-      0,
-      1
-     ]
-    },
-    "quiet": true
-   }
-  },
-  {
-   "command": "joint.create",
-   "params": {
-    "type": "slider",
-    "name": "Lift",
-    "flip": true,
-    "a": {
-     "occurrence": "Base",
-     "point": [
-      15,
-      0,
-      2.5
-     ],
-     "z": [
-      1,
-      0,
-      0
-     ]
-    },
-    "b": {
-     "occurrence": "Follower",
-     "point": [
-      15,
-      0,
-      2.5
-     ],
-     "z": [
-      1,
-      0,
-      0
-     ]
-    },
-    "quiet": true
-   }
-  },
-  {
-   "command": "joint.cam",
-   "params": {
-    "a": "Shaft",
-    "b": "Lift",
-    "profile": {
-     "edges": [
-      [
-       15,
-       0,
-       0
-      ]
-     ],
-     "occurrence": "Cam"
-    }
-   }
-  },
-  {
-   "command": "joint.drive",
-   "params": {
-    "joint": "Shaft",
-    "quiet": true,
-    "value": 180
-   }
-  },
-  {
-   "command": "occurrence.properties",
-   "params": {
-    "occurrence": "Follower:1"
-   }
-  }
- ]
-}
diff --git a/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/expected.json b/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/expected.json
deleted file mode 100644
index 31ff60216..000000000
--- a/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/expected.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "sources": [
-    "tangency-labs/solidcraft#4095"
-  ],
-  "what": "a slab cut whose +x face stands 6.60e-05 mm (0.60 x the coincidence tolerance 1.10e-04) off a through-bore's wall (R=15), beside the bore",
-  "source": "analytic",
-  "method": "plate 90x60x20 minus the bore pi R^2*20 minus the notch (the slab 6x16 from z=12 up through the top z=20: 6*16*8 = 768), which the bore beside it does not change. V = 90*60*20 - pi*15^2*20 - 768. The bug removed about 5% too much with no warning",
-  "body_count": 1,
-  "volume_mm3": 93094.8331
-}
\ No newline at end of file
diff --git a/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/recipe.json b/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/recipe.json
deleted file mode 100644
index 723c9275f..000000000
--- a/tests/kernel-cases/booleans/4095-slab-cut-standing-off-a-bore-r15/recipe.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
- "commands": [
-  {
-   "command": "solid.box",
-   "params": {
-    "corner": [
-     -45.0,
-     -30.0,
-     0
-    ],
-    "length": 90,
-    "width": 60,
-    "height": 20,
-    "body_name": "Plate"
-   }
-  },
-  {
-   "command": "solid.cylinder",
-   "params": {
-    "radius": 15,
-    "height": 22,
-    "base": [
-     0,
-     0,
-     -1
-    ],
-    "operation": "cut",
-    "targets": [
-     "Plate"
-    ]
-   }
-  },
-  {
-   "command": "solid.box",
-   "params": {
-    "corner": [
-     -21.000066,
-     -8,
-     12
-    ],
-    "length": 6,
-    "width": 16,
-    "height": 14,
-    "operation": "cut",
-    "targets": [
-     "Plate"
-    ]
-   }
-  }
- ]
-}
\ No newline at end of file
diff --git a/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/expected.json b/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/expected.json
deleted file mode 100644
index 73dc50567..000000000
--- a/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/expected.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
- "sources": [],
- "what": "where a box edge crosses a plane square to it",
- "source": "analytic",
- "method": "box 40 x 30 x 20 with a corner at the origin (x 0..40, y 0..30, z 0..20): the edge y 0, z 0 along X meets x = 12 at (12,0,0)",
- "construction": {
-  "P": {
-   "point": [
-    12,
-    0,
-    0
-   ]
-  }
- }
-}
diff --git a/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/recipe.json b/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/recipe.json
deleted file mode 100644
index bff7913af..000000000
--- a/tests/kernel-cases/construction/cov-point-edge-plane-square-cut/recipe.json
+++ /dev/null
@@ -1,40 +0,0 @@
-{
- "commands": [
-  {
-   "command": "solid.box",
-   "params": {
-    "length": 40,
-    "width": 30,
-    "height": 20,
-    "body_name": "Box"
-   }
-  },
-  {
-   "command": "construct.point.edge_plane",
-   "params": {
-    "edge": {
-     "edge": [
-      20,
-      0,
-      0
-     ]
-    },
-    "plane": {
-     "plane": {
-      "origin": [
-       12,
-       0,
-       0
-      ],
-      "normal": [
-       1,
-       0,
-       0
-      ]
-     }
-    },
-    "name": "P"
-   }
-  }
- ]
-}
diff --git a/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/expected.json b/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/expected.json
deleted file mode 100644
index 0e975cdfe..000000000
--- a/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/expected.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
- "sources": [
-  "tangency-labs/solidcraft#349"
- ],
- "what": "a 2000 x 2500 tray with four 38.6 mm flanges at 90 degrees whose sketch is driven by parameters W and H, shrunk to 400 x 300 and unfolded (the solver leaves 1e-13 mm residuals: the planar region arrangement failed)",
- "source": "analytic",
- "method": "a flange of angle th, outer leg length Hf (height, from the virtual sharp along the flange) bends with allowance BA = th(R+Kt) and bend deduction BD = 2(R+t)tan(th/2) - BA; unfolded it lies in the base's plane and reaches Hf - BD beyond the base's edge. T = 2, R = 1, K = 0.5. BD(90) = 2.8584; the flat of the 400 x 300 tray is the same as built directly: reaches 35.7416 past each base edge",
- "body_count": 1,
- "bbox": {
-  "min": [
-   -35.7415926535898,
-   -35.7415926535898,
-   0
-  ],
-  "max": [
-   435.7415926535898,
-   335.7415926535898,
-   2
-  ]
- }
-}
\ No newline at end of file
diff --git a/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/recipe.json b/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/recipe.json
deleted file mode 100644
index f5853a1f3..000000000
--- a/tests/kernel-cases/sheet-metal/349-unfold-a-tray-shrunk-by-a-parameter-90-degrees/recipe.json
+++ /dev/null
@@ -1,132 +0,0 @@
-{
- "commands": [
-  {
-   "command": "parameters.add",
-   "params": {
-    "name": "W",
-    "expression": "2000 mm"
-   }
-  },
-  {
-   "command": "parameters.add",
-   "params": {
-    "name": "H",
-    "expression": "2500 mm"
-   }
-  },
-  {
-   "command": "sheet.manage_rules",
-   "params": {
-    "name": "AL2",
-    "thickness": "2 mm",
-    "active": true,
-    "bend_radius": "1 mm",
-    "k_factor": 0.5
-   }
-  },
-  {
-   "command": "sketch.create",
-   "params": {
-    "plane": "XY",
-    "name": "Tray"
-   }
-  },
-  {
-   "command": "sketch.rectangle.two_point",
-   "params": {
-    "p0": [
-     0,
-     0
-    ],
-    "p1": [
-     2000,
-     2500
-    ]
-   }
-  },
-  {
-   "command": "sketch.constraint.fix",
-   "params": {
-    "entities": [
-     "p1"
-    ]
-   }
-  },
-  {
-   "command": "sketch.dimension",
-   "params": {
-    "entities": [
-     "l1"
-    ],
-    "value": "W"
-   }
-  },
-  {
-   "command": "sketch.dimension",
-   "params": {
-    "entities": [
-     "l2"
-    ],
-    "value": "H"
-   }
-  },
-  {
-   "command": "sketch.finish",
-   "params": {}
-  },
-  {
-   "command": "sheet.flange",
-   "params": {
-    "type": "base",
-    "sketch": "Tray"
-   }
-  },
-  {
-   "command": "sheet.flange",
-   "params": {
-    "type": "edge",
-    "edges": [
-     [
-      1000,
-      0,
-      2
-     ],
-     [
-      2000,
-      1250,
-      2
-     ],
-     [
-      1000,
-      2500,
-      2
-     ],
-     [
-      0,
-      1250,
-      2
-     ]
-    ],
-    "height": 38.6,
-    "angle": 90
-   }
-  },
-  {
-   "command": "parameters.change",
-   "params": {
-    "changes": {
-     "W": "400 mm",
-     "H": "300 mm"
-    }
-   }
-  },
-  {
-   "command": "sheet.unfold",
-   "params": {}
-  },
-  {
-   "command": "inspect.measure",
-   "params": {}
-  }
- ]
-}
\ No newline at end of file
diff --git a/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/expected.json b/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/expected.json
deleted file mode 100644
index 89fba1fe9..000000000
--- a/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/expected.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
- "sources": [
-  "tangency-labs/solidcraft#1391",
-  "tangency-labs/solidcraft#1556"
- ],
- "what": "a half tube (6 mm wall, inner radius tapering 60 to 75 mm) lofted through 5 sections along an R300 bend of 40 degrees, with an 8 mm half-annulus flange (inner radius +3 into the wall, outer +25 beyond it) extruded from the end plane outward and joined: the flange face lies in the end plane (\"Union: no result\")",
- "source": "analytic",
- "method": "each section is a half annulus in a plane through the bend axis, centred on the path, so Pappus holds with the section area A(t) = pi/2 (12 r(t) + 36), r(t) = 60 + 15 t: V_tube = R theta * pi/2 (12 * 67.5 + 36), R = 300, theta = 40 degrees = 278322.8. The flange stands outside the tube end plane and touches the tube only along the coplanar end face, so V = V_tube + V_flange, V_flange = pi/2 (106^2 - 78^2) 8 = 64741.9. One body.",
- "body_count": 1,
- "volume_mm3": 343064.7855158983
-}
\ No newline at end of file
diff --git a/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/recipe.json b/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/recipe.json
deleted file mode 100644
index b60b9bf85..000000000
--- a/tests/kernel-cases/sweeps/1391-flange-flush-on-the-end-of-a-bent-tapered-loft-40deg/recipe.json
+++ /dev/null
@@ -1,599 +0,0 @@
-{
- "commands": [
-  {
-   "command": "sketch.create",
-   "params": {
-    "plane": {
-     "origin": [
-      0.0,
-      0.0,
-      0.0
-     ],
-     "x_dir": [
-      0,
-      0,
-      1
-     ],
-     "y_dir": [
-      0.0,
-      -1.0,
-      0
-     ]
-    },
-    "name": "S0"
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     -66.0
-    ],
-    "through": [
-     66.0,
-     0
-    ],
-    "end": [
-     0,
-     66.0
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      66.0
-     ],
-     [
-      0,
-      60.0
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     60.0
-    ],
-    "through": [
-     60.0,
-     0
-    ],
-    "end": [
-     0,
-     -60.0
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      -60.0
-     ],
-     [
-      0,
-      -66.0
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.finish",
-   "params": {}
-  },
-  {
-   "command": "sketch.create",
-   "params": {
-    "plane": {
-     "origin": [
-      52.0944533,
-      4.557674096,
-      0.0
-     ],
-     "x_dir": [
-      0,
-      0,
-      1
-     ],
-     "y_dir": [
-      0.173648178,
-      -0.984807753,
-      0
-     ]
-    },
-    "name": "S1"
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     -69.75
-    ],
-    "through": [
-     69.75,
-     0
-    ],
-    "end": [
-     0,
-     69.75
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      69.75
-     ],
-     [
-      0,
-      63.75
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     63.75
-    ],
-    "through": [
-     63.75,
-     0
-    ],
-    "end": [
-     0,
-     -63.75
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      -63.75
-     ],
-     [
-      0,
-      -69.75
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.finish",
-   "params": {}
-  },
-  {
-   "command": "sketch.create",
-   "params": {
-    "plane": {
-     "origin": [
-      102.606042998,
-      18.092213764,
-      0.0
-     ],
-     "x_dir": [
-      0,
-      0,
-      1
-     ],
-     "y_dir": [
-      0.342020143,
-      -0.939692621,
-      0
-     ]
-    },
-    "name": "S2"
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     -73.5
-    ],
-    "through": [
-     73.5,
-     0
-    ],
-    "end": [
-     0,
-     73.5
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      73.5
-     ],
-     [
-      0,
-      67.5
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.arc.three_point",
-   "params": {
-    "start": [
-     0,
-     67.5
-    ],
-    "through": [
-     67.5,
-     0
-    ],
-    "end": [
-     0,
-     -67.5
-    ]
-   }
-  },
-  {
-   "command": "sketch.line",
-   "params": {
-    "points": [
-     [
-      0,
-      -67.5
-     ],
-     [
-      0,
-      -73.5
-     ]
-    ],
-    "infer": false
-   }
-  },
-  {
-   "command": "sketch.finish",
-   "params": {}
-  },
-  {
-   "command": "sketch.create",
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\ No newline at end of file