diff --git a/src/specklepy/objects/structural/results.py b/src/specklepy/objects/structural/results.py
index 6a97d42..d014f45 100644
--- a/src/specklepy/objects/structural/results.py
+++ b/src/specklepy/objects/structural/results.py
@@ -19,28 +19,28 @@ class ResultSet1D(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSet1D"):
 
 class Result1D(Result, speckle_type=STRUCTURAL_RESULTS + "Result1D"):
     element: Optional[Element1D] = None
-    position: float = 0.0
-    dispX: float = 0.0
-    dispY: float = 0.0
-    dispZ: float = 0.0
-    rotXX: float = 0.0
-    rotYY: float = 0.0
-    rotZZ: float = 0.0
-    forceX: float = 0.0
-    forceY: float = 0.0
-    forceZ: float = 0.0
-    momentXX: float = 0.0
-    momentYY: float = 0.0
-    momentZZ: float = 0.0
-    axialStress: float = 0.0
-    shearStressY: float = 0.0
-    shearStressZ: float = 0.0
-    bendingStressYPos: float = 0.0
-    bendingStressYNeg: float = 0.0
-    bendingStressZPos: float = 0.0
-    bendingStressZNeg: float = 0.0
-    combinedStressMax: float = 0.0
-    combinedStressMin: float = 0.0
+    position: Optional[float] = None
+    dispX: Optional[float] = None
+    dispY: Optional[float] = None
+    dispZ: Optional[float] = None
+    rotXX: Optional[float] = None
+    rotYY: Optional[float] = None
+    rotZZ: Optional[float] = None
+    forceX: Optional[float] = None
+    forceY: Optional[float] = None
+    forceZ: Optional[float] = None
+    momentXX: Optional[float] = None
+    momentYY: Optional[float] = None
+    momentZZ: Optional[float] = None
+    axialStress: Optional[float] = None
+    shearStressY: Optional[float] = None
+    shearStressZ: Optional[float] = None
+    bendingStressYPos: Optional[float] = None
+    bendingStressYNeg: Optional[float] = None
+    bendingStressZPos: Optional[float] = None
+    bendingStressZNeg: Optional[float] = None
+    combinedStressMax: Optional[float] = None
+    combinedStressMin: Optional[float] = None
 
 
 class ResultSet2D(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSet2D"):
@@ -50,35 +50,35 @@ class ResultSet2D(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSet2D"):
 class Result2D(Result, speckle_type=STRUCTURAL_RESULTS + "Result2D"):
     element: Optional[Element2D] = None
     position: List
-    dispX: float = 0.0
-    dispY: float = 0.0
-    dispZ: float = 0.0
-    forceXX: float = 0.0
-    forceYY: float = 0.0
-    forceXY: float = 0.0
-    momentXX: float = 0.0
-    momentYY: float = 0.0
-    momentXY: float = 0.0
-    shearX: float = 0.0
-    shearY: float = 0.0
-    stressTopXX: float = 0.0
-    stressTopYY: float = 0.0
-    stressTopZZ: float = 0.0
-    stressTopXY: float = 0.0
-    stressTopYZ: float = 0.0
-    stressTopZX: float = 0.0
-    stressMidXX: float = 0.0
-    stressMidYY: float = 0.0
-    stressMidZZ: float = 0.0
-    stressMidXY: float = 0.0
-    stressMidYZ: float = 0.0
-    stressMidZX: float = 0.0
-    stressBotXX: float = 0.0
-    stressBotYY: float = 0.0
-    stressBotZZ: float = 0.0
-    stressBotXY: float = 0.0
-    stressBotYZ: float = 0.0
-    stressBotZX: float = 0.0
+    dispX: Optional[float] = None
+    dispY: Optional[float] = None
+    dispZ: Optional[float] = None
+    forceXX: Optional[float] = None
+    forceYY: Optional[float] = None
+    forceXY: Optional[float] = None
+    momentXX: Optional[float] = None
+    momentYY: Optional[float] = None
+    momentXY: Optional[float] = None
+    shearX: Optional[float] = None
+    shearY: Optional[float] = None
+    stressTopXX: Optional[float] = None
+    stressTopYY: Optional[float] = None
+    stressTopZZ: Optional[float] = None
+    stressTopXY: Optional[float] = None
+    stressTopYZ: Optional[float] = None
+    stressTopZX: Optional[float] = None
+    stressMidXX: Optional[float] = None
+    stressMidYY: Optional[float] = None
+    stressMidZZ: Optional[float] = None
+    stressMidXY: Optional[float] = None
+    stressMidYZ: Optional[float] = None
+    stressMidZX: Optional[float] = None
+    stressBotXX: Optional[float] = None
+    stressBotYY: Optional[float] = None
+    stressBotZZ: Optional[float] = None
+    stressBotXY: Optional[float] = None
+    stressBotYZ: Optional[float] = None
+    stressBotZX: Optional[float] = None
 
 
 class ResultSet3D(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSet3D"):
@@ -88,42 +88,42 @@ class ResultSet3D(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSet3D"):
 class Result3D(Result, speckle_type=STRUCTURAL_RESULTS + "Result3D"):
     element: Optional[Element3D] = None
     position: List
-    dispX: float = 0.0
-    dispY: float = 0.0
-    dispZ: float = 0.0
-    stressXX: float = 0.0
-    stressYY: float = 0.0
-    stressZZ: float = 0.0
-    stressXY: float = 0.0
-    stressYZ: float = 0.0
-    stressZX: float = 0.0
+    dispX: Optional[float] = None
+    dispY: Optional[float] = None
+    dispZ: Optional[float] = None
+    stressXX: Optional[float] = None
+    stressYY: Optional[float] = None
+    stressZZ: Optional[float] = None
+    stressXY: Optional[float] = None
+    stressYZ: Optional[float] = None
+    stressZX: Optional[float] = None
 
 
 class ResultGlobal(Result, speckle_type=STRUCTURAL_RESULTS + "ResultGlobal"):
     model: Optional[Model] = None
-    loadX: float = 0.0
-    loadY: float = 0.0
-    loadZ: float = 0.0
-    loadXX: float = 0.0
-    loadYY: float = 0.0
-    loadZZ: float = 0.0
-    reactionX: float = 0.0
-    reactionY: float = 0.0
-    reactionZ: float = 0.0
-    reactionXX: float = 0.0
-    reactionYY: float = 0.0
-    reactionZZ: float = 0.0
-    mode: float = 0.0
-    frequency: float = 0.0
-    loadFactor: float = 0.0
-    modalStiffness: float = 0.0
-    modalGeoStiffness: float = 0.0
-    effMassX: float = 0.0
-    effMassY: float = 0.0
-    effMassZ: float = 0.0
-    effMassXX: float = 0.0
-    effMassYY: float = 0.0
-    effMassZZ: float = 0.0
+    loadX: Optional[float] = None
+    loadY: Optional[float] = None
+    loadZ: Optional[float] = None
+    loadXX: Optional[float] = None
+    loadYY: Optional[float] = None
+    loadZZ: Optional[float] = None
+    reactionX: Optional[float] = None
+    reactionY: Optional[float] = None
+    reactionZ: Optional[float] = None
+    reactionXX: Optional[float] = None
+    reactionYY: Optional[float] = None
+    reactionZZ: Optional[float] = None
+    mode: Optional[float] = None
+    frequency: Optional[float] = None
+    loadFactor: Optional[float] = None
+    modalStiffness: Optional[float] = None
+    modalGeoStiffness: Optional[float] = None
+    effMassX: Optional[float] = None
+    effMassY: Optional[float] = None
+    effMassZ: Optional[float] = None
+    effMassXX: Optional[float] = None
+    effMassYY: Optional[float] = None
+    effMassZZ: Optional[float] = None
 
 
 class ResultSetNode(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSetNode"):
@@ -132,36 +132,36 @@ class ResultSetNode(Result, speckle_type=STRUCTURAL_RESULTS + "ResultSetNode"):
 
 class ResultNode(Result, speckle_type=STRUCTURAL_RESULTS + " ResultNode"):
     node: Optional[Node] = None
-    dispX: float = 0.0
-    dispY: float = 0.0
-    dispZ: float = 0.0
-    rotXX: float = 0.0
-    rotYY: float = 0.0
-    rotZZ: float = 0.0
-    reactionX: float = 0.0
-    reactionY: float = 0.0
-    reactionZ: float = 0.0
-    reactionXX: float = 0.0
-    reactionYY: float = 0.0
-    reactionZZ: float = 0.0
-    constraintX: float = 0.0
-    constraintY: float = 0.0
-    constraintZ: float = 0.0
-    constraintXX: float = 0.0
-    constraintYY: float = 0.0
-    constraintZZ: float = 0.0
-    velX: float = 0.0
-    velY: float = 0.0
-    velZ: float = 0.0
-    velXX: float = 0.0
-    velYY: float = 0.0
-    velZZ: float = 0.0
-    accX: float = 0.0
-    accY: float = 0.0
-    accZ: float = 0.0
-    accXX: float = 0.0
-    accYY: float = 0.0
-    accZZ: float = 0.0
+    dispX: Optional[float] = None
+    dispY: Optional[float] = None
+    dispZ: Optional[float] = None
+    rotXX: Optional[float] = None
+    rotYY: Optional[float] = None
+    rotZZ: Optional[float] = None
+    reactionX: Optional[float] = None
+    reactionY: Optional[float] = None
+    reactionZ: Optional[float] = None
+    reactionXX: Optional[float] = None
+    reactionYY: Optional[float] = None
+    reactionZZ: Optional[float] = None
+    constraintX: Optional[float] = None
+    constraintY: Optional[float] = None
+    constraintZ: Optional[float] = None
+    constraintXX: Optional[float] = None
+    constraintYY: Optional[float] = None
+    constraintZZ: Optional[float] = None
+    velX: Optional[float] = None
+    velY: Optional[float] = None
+    velZ: Optional[float] = None
+    velXX: Optional[float] = None
+    velYY: Optional[float] = None
+    velZZ: Optional[float] = None
+    accX: Optional[float] = None
+    accY: Optional[float] = None
+    accZ: Optional[float] = None
+    accXX: Optional[float] = None
+    accYY: Optional[float] = None
+    accZZ: Optional[float] = None
 
 
 class ResultSetAll(Base, speckle_type=None):