[{"time":"2026-10-10T14:13:35.501Z","tool":"Read","arguments":{"file_path":"/app/f4e56c467a.png"}},{"time":"2026-10-10T14:14:13.357Z","tool":"Bash","arguments":{"command":"which freecadcmd FreeCADCmd freecad; ls /app"}},{"time":"2026-10-10T14:14:15.644Z","tool":"Write","arguments":{"file_path":"/app/answer.py","content":"import math\nimport os\n\nimport FreeCAD as App\nimport Part\nimport Sketcher\n\nV = App.Vector\nOUT = os.path.join(os.path.dirname(os.path.abspath(__file__)), \"answer.FCStd\")\n\ndoc = App.newDocument(\"DoubleClevisMountBase\")\nbody = doc.addObject(\"PartDesign::Body\", \"Body\")\n\nXY = body.Origin.OriginFeatures[3] if False else None\nfor f in body.Origin.OriginFeatures:\n    if f.Role == \"XY_Plane\":\n        XY = f\n    elif f.Role == \"XZ_Plane\":\n        XZ = f\n\n# ---------------- parameters ----------------\nBASE_T = 20.0\nR_MID = 55.0          # dia 110 centre lobe\nR_END = 30.0          # 2xR30 end lobes\nX_END = 85.0          # 170 / 2\nSLOT_X1, SLOT_X2 = 65.0, 85.0   # 130/2 .. 170/2\nSLOT_R = 8.0          # 2x16 slot width\nBOSS_R = 13.0         # 2x26 boss width\nBOSS_H = 3.0\nEAR_T = 25.0\nGAP = 30.0\nEAR_BASE_W = 95.78\nHOLE_Z = 60.0\nEAR_R = 25.0\nPIN_D = 25.0\nPIN_Y = 27.5          # 55 / 2\nPIN_HOLE_D = 8.0\nPIN_HOLE_DEPTH = 50.0\n\n\ndef placement_z(z):\n    return App.Placement(V(0, 0, z), App.Rotation())\n\n\ndef add_obround(sk, x1, x2, r, y=0.0):\n    sk.addGeometry(Part.LineSegment(V(x1, y + r, 0), V(x2, y + r, 0)))\n    sk.addGeometry(Part.LineSegment(V(x2, y - r, 0), V(x1, y - r, 0)))\n    sk.addGeometry(Part.ArcOfCircle(Part.Circle(V(x2, y, 0), V(0, 0, 1), r), -math.pi / 2, math.pi / 2))\n    sk.addGeometry(Part.ArcOfCircle(Part.Circle(V(x1, y, 0), V(0, 0, 1), r), math.pi / 2, 3 * math.pi / 2))\n\n\n# ---------------- base plate ----------------\nsk = body.newObject(\"Sketcher::SketchObject\", \"BaseSketch\")\nsk.AttachmentSupport = [(XY, \"\")]\nsk.MapMode = \"FlatFace\"\nnx = (R_MID - R_END) / X_END\nny = math.sqrt(1 - nx * nx)\nphi = math.atan2(ny, nx)  # angle of tangent normal (right side, upper)\n# tangent points\npts = {}\nfor sx in (1, -1):\n    for sy in (1, -1):\n        n = V(sx * nx, sy * ny, 0)\n        pts[(sx, sy)] = (n * R_MID, V(sx * X_END, 0, 0) + n * R_END)\nfor sx in (1, -1):\n    for sy in (1, -1):\n        a, b = pts[(sx, sy)]\n        sk.addGeometry(Part.LineSegment(a, b))\n# middle arcs (top and bottom)\nsk.addGeometry(Part.ArcOfCircle(Part.Circle(V(0, 0, 0), V(0, 0, 1), R_MID), phi, math.pi - phi))\nsk.addGeometry(Part.ArcOfCircle(Part.Circle(V(0, 0, 0), V(0, 0, 1), R_MID), math.pi + phi, 2 * math.pi - phi))\n# end arcs\nsk.addGeometry(Part.ArcOfCircle(Part.Circle(V(X_END, 0, 0), V(0, 0, 1), R_END), -phi, phi))\nsk.addGeometry(Part.ArcOfCircle(Part.Circle(V(-X_END, 0, 0), V(0, 0, 1), R_END), math.pi - phi, math.pi + phi))\npad = body.newObject(\"PartDesign::Pad\", \"BasePad\")\npad.Profile = sk\npad.Length = BASE_T\n\n# ---------------- raised slot bosses ----------------\nsk = body.newObject(\"Sketcher::SketchObject\", \"BossSketch\")\nsk.AttachmentSupport = [(XY, \"\")]\nsk.MapMode = \"FlatFace\"\nsk.AttachmentOffset = placement_z(BASE_T)\nadd_obround(sk, SLOT_X1, SLOT_X2, BOSS_R)\nadd_obround(sk, -SLOT_X2, -SLOT_X1, BOSS_R)\nboss = body.newObject(\"PartDesign::Pad\", \"BossPad\")\nboss.Profile = sk\nboss.Length = BOSS_H\n\n# ---------------- through slots ----------------\nsk = body.newObject(\"Sketcher::SketchObject\", \"SlotSketch\")\nsk.AttachmentSupport = [(XY, \"\")]\nsk.MapMode = \"FlatFace\"\nsk.AttachmentOffset = placement_z(BASE_T + BOSS_H)\nadd_obround(sk, SLOT_X1, SLOT_X2, SLOT_R)\nadd_obround(sk, -SLOT_X2, -SLOT_X1, SLOT_R)\nslot = body.newObject(\"PartDesign::Pocket\", \"SlotPocket\")\nslot.Profile = sk\nslot.Type = \"ThroughAll\"\n\n# ---------------- clevis ears ----------------\n# Sketch in XZ plane: sketch x -> global X, sketch y -> global Z\nsk = body.newObject(\"Sketcher::SketchObject\", \"EarSketch\")\nsk.AttachmentSupport = [(XZ, \"\")]\nsk.MapMode = \"FlatFace\"\nhb = EAR_BASE_W / 2\nP = (hb, BASE_T - HOLE_Z)  # base corner relative to hole centre\nd = math.hypot(*P)\nang_p = math.atan2(P[1], P[0])\nang_t = ang_p + math.acos(EAR_R / d)  # right tangent point angle\ntr = V(EAR_R * math.cos(ang_t), HOLE_Z + EAR_R * math.sin(ang_t), 0)\ntl = V(-tr.x, tr.y, 0)\nsk.addGeometry(Part.LineSegment(V(-hb, BASE_T, 0), V(hb, BASE_T, 0)))\nsk.addGeometry(Part.LineSegment(V(hb, BASE_T, 0), tr))\nsk.addGeometry(Part.ArcOfCircle(Part.Circle(V(0, HOLE_Z, 0), V(0, 0, 1), EAR_R), ang_t, math.pi - ang_t))\nsk.addGeometry(Part.LineSegment(tl, V(-hb, BASE_T, 0)))\near = body.newObject(\"PartDesign::Pad\", \"EarPad\")\near.Profile = sk\near.Midplane = True\near.Length = 2 * EAR_T + GAP\n\n# gap between ears\nsk = body.newObject(\"Sketcher::SketchObject\", \"GapSketch\")\nsk.AttachmentSupport = [(XY, \"\")]\nsk.MapMode = \"FlatFace\"\nsk.AttachmentOffset = placement_z(HOLE_Z + EAR_R + 5)\nw = hb + 5\nc = [V(-w, -GAP / 2, 0), V(w, -GAP / 2, 0), V(w, GAP / 2, 0), V(-w, GAP / 2, 0)]\nfor i in range(4):\n    sk.addGeometry(Part.LineSegment(c[i], c[(i + 1) % 4]))\ngap = body.newObject(\"PartDesign::Pocket\", \"GapPocket\")\ngap.Profile = sk\ngap.Length = HOLE_Z + EAR_R + 5 - BASE_T\n\n# cross pin hole dia 25\nsk = body.newObject(\"Sketcher::SketchObject\", \"PinSketch\")\nsk.AttachmentSupport = [(XZ, \"\")]\nsk.MapMode = \"FlatFace\"\nsk.addGeometry(Part.Circle(V(0, HOLE_Z, 0), V(0, 0, 1), PIN_D / 2))\npin = body.newObject(\"PartDesign::Pocket\", \"PinPocket\")\npin.Profile = sk\npin.Type = \"ThroughAll\"\npin.Midplane = True\n\n# 2x dia 8 depth 50 from ear tops\nsk = body.newObject(\"Sketcher::SketchObject\", \"TopHoleSketch\")\nsk.AttachmentSupport = [(XY, \"\")]\nsk.MapMode = \"FlatFace\"\nsk.AttachmentOffset = placement_z(HOLE_Z + EAR_R)\nfor y in (PIN_Y, -PIN_Y):\n    sk.addGeometry(Part.Circle(V(0, y, 0), V(0, 0, 1), PIN_HOLE_D / 2))\nth = body.newObject(\"PartDesign::Pocket\", \"TopHolePocket\")\nth.Profile = sk\nth.Length = PIN_HOLE_DEPTH\n\ndoc.recompute()\ndoc.saveAs(OUT)\n"}},{"time":"2026-10-10T14:14:41.028Z","tool":"Bash","arguments":{"command":"sed -i 's/^XY = body.Origin.OriginFeatures\\[3\\] if False else None$/XY = XZ = None/' answer.py && grep -n \"XY = XZ\" answer.py && cat > /tmp/check.py <<'EOF'\nimport FreeCAD as App\nexec(open('/app/answer.py').read())\nd=App.openDocument('/app/answer.FCStd')\nfor o in d.Objects:\n    if hasattr(o,'isValid') and not o.isValid(): print('INVALID',o.Name)\nb=d.getObject('Body'); s=b.Shape\nprint(s.isValid(), len(s.Solids), s.Volume, s.BoundBox)\nEOF\nfreecadcmd /tmp/check.py 2>&1 | tail -5"}},{"time":"2026-10-10T14:14:46.443Z","tool":"Bash","arguments":{"command":"cd /tmp && freecadcmd /tmp/check.py 2>&1 | tr '\\r\\t' '\\n\\n' | grep -v '^$' | grep -v '%' | tail -8"}},{"time":"2026-10-10T14:14:50.023Z","tool":"Bash","arguments":{"command":"sed -i 's/\\.Midplane = True/.SideType = \"Symmetric\"/' answer.py && freecadcmd answer.py 2>&1 | tr '\\r\\t' '\\n\\n' | grep -v '^$' | grep -v '%' | tail -3; cat > /tmp/check.py <<'EOF'\nimport FreeCAD as App\nd=App.openDocument('/app/answer.FCStd')\nd.recompute()\nfor o in d.Objects:\n    if hasattr(o,'isValid') and not o.isValid(): print('INVALID',o.Name)\nb=d.getObject('Body'); s=b.Shape\nprint(s.isValid(), len(s.Solids), s.Volume, s.BoundBox)\nfor z in (21,22,30,70,84):\n    import Part\n    sec=s.slice(App.Vector(0,0,1),z)\n    print(z,[round(w.BoundBox.XLength,2) for w in sec], [round(w.BoundBox.YLength,2) for w in sec])\nEOF\nfreecadcmd /tmp/check.py 2>&1 | tr '\\r\\t' '\\n\\n' | grep -v '^$' | grep -v '%' | tail -7"}},{"time":"2026-10-10T14:14:56.514Z","tool":"Bash","arguments":{"command":"freecadcmd /tmp/check.py 2>&1 | tr '\\r\\t' '\\n\\n' | grep -v '^$' | grep -v '%' | grep -v -i -e freecad -e recompute -e import -e postpro"}}]