diff --git a/io_scene_obj/__init__.py b/io_scene_obj/__init__.py
index e9fc825932ef36cceefc8e87556df0d59d94a062..e20d50ead922a44d65f6fb752a12278f1cea1d1b 100644
--- a/io_scene_obj/__init__.py
+++ b/io_scene_obj/__init__.py
@@ -110,7 +110,7 @@ class ImportOBJ(bpy.types.Operator, ImportHelper):
                    ),
             )
 
-    global_clight_size: FloatProperty(
+    global_clamp_size: FloatProperty(
             name="Clamp Size",
             description="Clamp bounds under this value (zero to disable)",
             min=0.0, max=1000.0,
@@ -196,7 +196,7 @@ class OBJ_PT_import_transform(bpy.types.Panel):
         sfile = context.space_data
         operator = sfile.active_operator
 
-        layout.prop(operator, "global_clight_size")
+        layout.prop(operator, "global_clamp_size")
         layout.prop(operator, "axis_forward")
         layout.prop(operator, "axis_up")
 
diff --git a/io_scene_obj/import_obj.py b/io_scene_obj/import_obj.py
index 85db6aec52cfccb132e7aa4c1d5bf7cba1596ef8..a303eda50bfbb85bd9b48461ebbf16cfaabee570 100644
--- a/io_scene_obj/import_obj.py
+++ b/io_scene_obj/import_obj.py
@@ -905,7 +905,7 @@ def any_number_as_int(svalue):
 def load(context,
          filepath,
          *,
-         global_clight_size=0.0,
+         global_clamp_size=0.0,
          use_smooth_groups=True,
          use_edges=True,
          use_split_objects=True,
@@ -1293,7 +1293,7 @@ def load(context,
         axis_min = [1000000000] * 3
         axis_max = [-1000000000] * 3
 
-        if global_clight_size:
+        if global_clamp_size:
             # Get all object bounds
             for ob in new_objects:
                 for v in ob.bound_box:
@@ -1307,7 +1307,7 @@ def load(context,
             max_axis = max(axis_max[0] - axis_min[0], axis_max[1] - axis_min[1], axis_max[2] - axis_min[2])
             scale = 1.0
 
-            while global_clight_size < max_axis * scale:
+            while global_clamp_size < max_axis * scale:
                 scale = scale / 10.0
 
             for obj in new_objects:
diff --git a/io_scene_x3d/export_x3d.py b/io_scene_x3d/export_x3d.py
index 517146cb23521da4b2f60b267be871198be28d56..5ac7e557650d5c7f5eb43846bc0b6be4d048e736 100644
--- a/io_scene_x3d/export_x3d.py
+++ b/io_scene_x3d/export_x3d.py
@@ -48,7 +48,7 @@ H3D_CAMERA_FOLLOW = 'CAMERA_FOLLOW_TRANSFORM'
 H3D_VIEW_MATRIX = 'view_matrix'
 
 
-def clight_color(col):
+def clamp_color(col):
     return tuple([max(min(c, 1.0), 0.0) for c in col])
 
 
@@ -372,7 +372,7 @@ def export(file,
             ident_step = ident + (' ' * (-len(ident) + \
             fw('%s<Fog ' % ident)))
             fw('fogType="%s"\n' % ('LINEAR' if (mtype == 'LINEAR') else 'EXPONENTIAL'))
-            fw(ident_step + 'color="%.3f %.3f %.3f"\n' % clight_color(world.horizon_color))
+            fw(ident_step + 'color="%.3f %.3f %.3f"\n' % clamp_color(world.horizon_color))
             fw(ident_step + 'visibilityRange="%.3f"\n' % mparam.depth)
             fw(ident_step + '/>\n')
         else:
@@ -441,7 +441,7 @@ def export(file,
         fw(ident_step + 'radius="%.4f"\n' % radius)
         fw(ident_step + 'ambientIntensity="%.4f"\n' % amb_intensity)
         fw(ident_step + 'intensity="%.4f"\n' % intensity)
-        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clight_color(light.color))
+        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clamp_color(light.color))
         fw(ident_step + 'beamWidth="%.4f"\n' % beamWidth)
         fw(ident_step + 'cutOffAngle="%.4f"\n' % cutOffAngle)
         fw(ident_step + 'direction="%.4f %.4f %.4f"\n' % orientation)
@@ -468,7 +468,7 @@ def export(file,
         fw('%s<DirectionalLight ' % ident)))
         fw('DEF=%s\n' % light_id)
         fw(ident_step + 'ambientIntensity="%.4f"\n' % amb_intensity)
-        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clight_color(light.color))
+        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clamp_color(light.color))
         fw(ident_step + 'intensity="%.4f"\n' % intensity)
         fw(ident_step + 'direction="%.4f %.4f %.4f"\n' % orientation)
         fw(ident_step + '/>\n')
@@ -492,7 +492,7 @@ def export(file,
         fw('%s<PointLight ' % ident)))
         fw('DEF=%s\n' % light_id)
         fw(ident_step + 'ambientIntensity="%.4f"\n' % amb_intensity)
-        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clight_color(light.color))
+        fw(ident_step + 'color="%.4f %.4f %.4f"\n' % clamp_color(light.color))
 
         fw(ident_step + 'intensity="%.4f"\n' % intensity)
         fw(ident_step + 'radius="%.4f" \n' % light.distance)
@@ -978,9 +978,9 @@ def export(file,
             ident_step = ident + (' ' * (-len(ident) + \
             fw('%s<Material ' % ident)))
             fw('DEF=%s\n' % material_id)
-            fw(ident_step + 'diffuseColor="%.3f %.3f %.3f"\n' % clight_color(diffuseColor))
-            fw(ident_step + 'specularColor="%.3f %.3f %.3f"\n' % clight_color(specColor))
-            fw(ident_step + 'emissiveColor="%.3f %.3f %.3f"\n' % clight_color(emitColor))
+            fw(ident_step + 'diffuseColor="%.3f %.3f %.3f"\n' % clamp_color(diffuseColor))
+            fw(ident_step + 'specularColor="%.3f %.3f %.3f"\n' % clamp_color(specColor))
+            fw(ident_step + 'emissiveColor="%.3f %.3f %.3f"\n' % clamp_color(emitColor))
             fw(ident_step + 'ambientIntensity="%.3f"\n' % ambient)
             fw(ident_step + 'shininess="%.3f"\n' % shininess)
             fw(ident_step + 'transparency="%s"\n' % transp)
@@ -1307,15 +1307,15 @@ def export(file,
         # XXX World changed a lot in 2.8... For now do minimal get-it-to-work job.
         # ~ blending = world.use_sky_blend, world.use_sky_paper, world.use_sky_real
 
-        # ~ grd_triple = clight_color(world.horizon_color)
-        # ~ sky_triple = clight_color(world.zenith_color)
-        # ~ mix_triple = clight_color((grd_triple[i] + sky_triple[i]) / 2.0 for i in range(3))
+        # ~ grd_triple = clamp_color(world.horizon_color)
+        # ~ sky_triple = clamp_color(world.zenith_color)
+        # ~ mix_triple = clamp_color((grd_triple[i] + sky_triple[i]) / 2.0 for i in range(3))
 
         blending = (False, False, False)
 
-        grd_triple = clight_color(world.color)
-        sky_triple = clight_color(world.color)
-        mix_triple = clight_color((grd_triple[i] + sky_triple[i]) / 2.0 for i in range(3))
+        grd_triple = clamp_color(world.color)
+        sky_triple = clamp_color(world.color)
+        mix_triple = clamp_color((grd_triple[i] + sky_triple[i]) / 2.0 for i in range(3))
 
         ident_step = ident + (' ' * (-len(ident) + \
         fw('%s<Background ' % ident)))
diff --git a/io_scene_x3d/import_x3d.py b/io_scene_x3d/import_x3d.py
index 653b8d9f52881475ff4a3dda2bae3bf95f21942c..5d681a96f94f8bcabdecdb4474c304cec524300c 100644
--- a/io_scene_x3d/import_x3d.py
+++ b/io_scene_x3d/import_x3d.py
@@ -2822,9 +2822,9 @@ def appearance_LoadTexture(tex_node, ancestry, node):
 
     if bpyima:  # Loading can still fail
         repeat_s = tex_node.getFieldAsBool('repeatS', True, ancestry)
-        bpyima.use_clight_x = not repeat_s
+        bpyima.use_clamp_x = not repeat_s
         repeat_t = tex_node.getFieldAsBool('repeatT', True, ancestry)
-        bpyima.use_clight_y = not repeat_t
+        bpyima.use_clamp_y = not repeat_t
 
         # Update the desc-based cache
         if desc:
diff --git a/object_carver/carver_utils.py b/object_carver/carver_utils.py
index 1bd7455fcf84c1c4b945d95871f2e793db5428f4..b026c1d141c7613db2fe30f1aba23edb91ec12de 100644
--- a/object_carver/carver_utils.py
+++ b/object_carver/carver_utils.py
@@ -326,7 +326,7 @@ def CreateBevel(context, CurrentObject):
             mod.limit_method = 'WEIGHT'
             mod.width = 0.01
             mod.profile = 0.699099
-            mod.use_clight_overlap = False
+            mod.use_clamp_overlap = False
             mod.segments = 3
             mod.loop_slide = False