diff --git a/from_3b1b/active/bayes/part1.py b/from_3b1b/active/bayes/part1.py
index 8939bc33..1a8c6c06 100644
--- a/from_3b1b/active/bayes/part1.py
+++ b/from_3b1b/active/bayes/part1.py
@@ -1697,7 +1697,7 @@ class ReasonByRepresentativeSample(CorrectViewOfFarmersAndLibrarians):
                 "unit_size": 0.07,
                 "tick_frequency": 10,
             },
-            number_line_config={
+            axis_config={
                 "include_tip": False,
             },
         )
diff --git a/from_3b1b/active/diffyq/part1/pendulum.py b/from_3b1b/active/diffyq/part1/pendulum.py
index ffc6dc2f..97cf34c7 100644
--- a/from_3b1b/active/diffyq/part1/pendulum.py
+++ b/from_3b1b/active/diffyq/part1/pendulum.py
@@ -254,7 +254,7 @@ class ThetaVsTAxes(Axes):
             "tick_frequency": PI / 8,
             "unit_size": 1.5,
         },
-        "number_line_config": {
+        "axis_config": {
             "color": "#EEEEEE",
             "stroke_width": 2,
             "include_tip": False,
@@ -371,7 +371,7 @@ class IntroducePendulum(PiCreatureScene, MovingCameraScene):
                 "tip_length": 0.3,
             },
             "x_max": 12,
-            "number_line_config": {
+            "axis_config": {
                 "stroke_width": 2,
             }
         },
@@ -750,7 +750,7 @@ class LowAnglePendulum(Scene):
                 "number_scale_val": 0.5,
             },
             "x_max": 25,
-            "number_line_config": {
+            "axis_config": {
                 "tip_length": 0.3,
                 "stroke_width": 2,
             }
@@ -837,7 +837,7 @@ class MediumAnglePendulum(LowAnglePendulum):
             "y_axis_config": {"unit_size": 0.75},
             "y_max": PI / 2,
             "y_min": -PI / 2,
-            "number_line_config": {
+            "axis_config": {
                 "tip_length": 0.3,
                 "stroke_width": 2,
             }
@@ -867,7 +867,7 @@ class HighAnglePendulum(LowAnglePendulum):
             "y_axis_config": {"unit_size": 0.5},
             "y_max": PI,
             "y_min": -PI,
-            "number_line_config": {
+            "axis_config": {
                 "tip_length": 0.3,
                 "stroke_width": 2,
             }
@@ -888,7 +888,7 @@ class VeryLowAnglePendulum(LowAnglePendulum):
             "y_axis_config": {"unit_size": 2},
             "y_max": PI / 4,
             "y_min": -PI / 4,
-            "number_line_config": {
+            "axis_config": {
                 "tip_length": 0.3,
                 "stroke_width": 2,
             }
diff --git a/from_3b1b/active/diffyq/part2/staging.py b/from_3b1b/active/diffyq/part2/staging.py
index 48d02d06..234ecd32 100644
--- a/from_3b1b/active/diffyq/part2/staging.py
+++ b/from_3b1b/active/diffyq/part2/staging.py
@@ -235,7 +235,7 @@ class BlackScholes(AltBrownianMotion):
             x_max=20,
             y_min=0,
             y_max=10,
-            number_line_config={
+            axis_config={
                 "unit_size": 0.5,
             },
         )
diff --git a/from_3b1b/active/diffyq/part3/staging.py b/from_3b1b/active/diffyq/part3/staging.py
index baa5dad8..fc917a49 100644
--- a/from_3b1b/active/diffyq/part3/staging.py
+++ b/from_3b1b/active/diffyq/part3/staging.py
@@ -234,7 +234,7 @@ class FourierSeriesIllustraiton(Scene):
     CONFIG = {
         "n_range": range(1, 31, 2),
         "axes_config": {
-            "number_line_config": {
+            "axis_config": {
                 "include_tip": False,
             },
             "x_axis_config": {
diff --git a/from_3b1b/old/borsuk_addition.py b/from_3b1b/old/borsuk_addition.py
index 499d1d11..0c59f3ca 100644
--- a/from_3b1b/old/borsuk_addition.py
+++ b/from_3b1b/old/borsuk_addition.py
@@ -807,7 +807,7 @@ class FunctionGOutputSpace(FunctionGInputSpace):
             x_max=2.5,
             y_min=-2.5,
             y_max=2.5,
-            number_line_config={'unit_size': 1.5}
+            axis_config={'unit_size': 1.5}
         )
         for axis in axes:
             numbers = list(range(-2, 3))
diff --git a/from_3b1b/old/clacks/question.py b/from_3b1b/old/clacks/question.py
index 84491c5c..a3b61cb5 100644
--- a/from_3b1b/old/clacks/question.py
+++ b/from_3b1b/old/clacks/question.py
@@ -888,7 +888,7 @@ class PiComputingAlgorithmsAxes(Scene):
             y_min=0,
             x_max=9,
             y_max=5,
-            number_line_config={
+            axis_config={
                 "tick_frequency": 100,
                 "numbers_with_elongated_ticks": [],
             }
diff --git a/from_3b1b/old/clacks/solution1.py b/from_3b1b/old/clacks/solution1.py
index 010876f6..8751802c 100644
--- a/from_3b1b/old/clacks/solution1.py
+++ b/from_3b1b/old/clacks/solution1.py
@@ -633,7 +633,7 @@ class IntroduceVelocityPhaseSpace(AskAboutFindingNewVelocities):
                 "x_min": -3.5,
                 "x_max": 4,
             },
-            "number_line_config": {
+            "axis_config": {
                 "unit_size": 0.7,
             },
         },
@@ -2612,7 +2612,7 @@ class UnitCircleIntuition(Scene):
     def draw_unit_circle(self):
         unit_size = 2.5
         axes = Axes(
-            number_line_config={"unit_size": unit_size},
+            axis_config={"unit_size": unit_size},
             x_min=-2.5, x_max=2.5,
             y_min=-1.5, y_max=1.5,
         )
diff --git a/from_3b1b/old/div_curl.py b/from_3b1b/old/div_curl.py
index 0c6a6148..90731ce2 100644
--- a/from_3b1b/old/div_curl.py
+++ b/from_3b1b/old/div_curl.py
@@ -2925,7 +2925,7 @@ class PhaseSpaceOfPopulationModel(ShowTwoPopulations, PiCreatureScene, MovingCam
             y_min=0,
             y_max=55,
             y_axis_config={"unit_size": 0.09},
-            number_line_config={
+            axis_config={
                 "tick_frequency": 10,
             },
         )
diff --git a/from_3b1b/old/fourier.py b/from_3b1b/old/fourier.py
index aae267d2..72427d08 100644
--- a/from_3b1b/old/fourier.py
+++ b/from_3b1b/old/fourier.py
@@ -190,7 +190,7 @@ class AddingPureFrequencies(PiCreatureScene):
         axes = Axes(
             y_min = -2, y_max = 2,
             x_min = 0, x_max = 10,
-            number_line_config = {"include_tip" : False},
+            axis_config = {"include_tip" : False},
         )
         axes.stretch_to_fit_height(2)
         axes.to_corner(UP+LEFT)
@@ -807,7 +807,7 @@ class FourierMachineScene(Scene):
             "y_unit_size" : 1,
         },
         "frequency_axes_config" : {
-            "number_line_config" : {
+            "axis_config" : {
                 "color" : TEAL,
             },
             "x_min" : 0,
@@ -3906,7 +3906,7 @@ class BoundsAtInfinity(SummarizeFormula):
             x_max = 140,
             y_min = -2, 
             y_max = 2,
-            number_line_config = {
+            axis_config = {
                 "include_tip" : False,
             },
         )
diff --git a/from_3b1b/old/hyperdarts.py b/from_3b1b/old/hyperdarts.py
index 1cef000a..23e76e7f 100644
--- a/from_3b1b/old/hyperdarts.py
+++ b/from_3b1b/old/hyperdarts.py
@@ -778,7 +778,7 @@ class ChooseXThenYUniformly(Scene):
             x_max=1.25,
             y_min=-1.25,
             y_max=1.25,
-            number_line_config={
+            axis_config={
                 "tick_frequency": 0.25,
                 "unit_size": unit_size,
             },
@@ -1527,7 +1527,7 @@ class TwoDPlusTwoDEqualsFourD(HyperdartScene):
             x_max=1.25,
             y_min=-1.25,
             y_max=1.25,
-            number_line_config={
+            axis_config={
                 "unit_size": unit_size,
                 "tick_frequency": 0.5,
                 "include_tip": False,
diff --git a/from_3b1b/old/quaternions.py b/from_3b1b/old/quaternions.py
index e4567826..6d2a12db 100644
--- a/from_3b1b/old/quaternions.py
+++ b/from_3b1b/old/quaternions.py
@@ -3812,7 +3812,7 @@ class FelixViewOfProjection(TwoDStereographicProjection):
 
     def add_axes(self):
         axes = Axes(
-            number_line_config={
+            axis_config={
                 "unit_size": 2,
                 "color": WHITE,
             }
@@ -4336,7 +4336,7 @@ class IntroduceQuaternions(Scene):
 class SimpleImaginaryQuaternionAxes(SpecialThreeDScene):
     def construct(self):
         self.three_d_axes_config.update({
-            "number_line_config": {"unit_size": 2},
+            "axis_config": {"unit_size": 2},
             "x_min": -2,
             "x_max": 2,
             "y_min": -2,
diff --git a/from_3b1b/old/sphere_area.py b/from_3b1b/old/sphere_area.py
index 84150ae1..5d3c86a1 100644
--- a/from_3b1b/old/sphere_area.py
+++ b/from_3b1b/old/sphere_area.py
@@ -1458,7 +1458,7 @@ class JustifyHeightSquish(MovingCameraScene):
 
     def recreate_cross_section(self):
         axes = Axes(
-            number_line_config={
+            axis_config={
                 "unit_size": 2,
             }
         )
diff --git a/from_3b1b/old/spirals.py b/from_3b1b/old/spirals.py
index 76d2dc70..ed5b3cb9 100644
--- a/from_3b1b/old/spirals.py
+++ b/from_3b1b/old/spirals.py
@@ -58,7 +58,7 @@ def read_in_primes(max_N=None):
 class SpiralScene(MovingCameraScene):
     CONFIG = {
         "axes_config": {
-            "number_line_config": {
+            "axis_config": {
                 "stroke_width": 1.5,
             }
         },
@@ -2897,7 +2897,7 @@ class ExplainRays(Explain44Spirals):
             "x_max": 1000,
             "y_min": -1000,
             "y_max": 1000,
-            "number_line_config": {
+            "axis_config": {
                 "tick_frequency": 50,
             },
         },
diff --git a/from_3b1b/on_hold/moduli.py b/from_3b1b/on_hold/moduli.py
index e14242ca..7b79cdc9 100644
--- a/from_3b1b/on_hold/moduli.py
+++ b/from_3b1b/on_hold/moduli.py
@@ -401,7 +401,7 @@ class TriangleModuliSpace(Scene):
             x_max=1.5,
             y_min=-0.25,
             y_max=1.5,
-            number_line_config={
+            axis_config={
                 "tick_frequency": 0.25,
                 "unit_size": 3,
             }
diff --git a/manimlib/mobject/coordinate_systems.py b/manimlib/mobject/coordinate_systems.py
index 09c6adfa..4d3fc235 100644
--- a/manimlib/mobject/coordinate_systems.py
+++ b/manimlib/mobject/coordinate_systems.py
@@ -128,7 +128,7 @@ class CoordinateSystem():
 
 class Axes(VGroup, CoordinateSystem):
     CONFIG = {
-        "number_line_config": {
+        "axis_config": {
             "color": LIGHT_GREY,
             "include_tip": True,
             "exclude_zero_from_default_numbers": True,
@@ -158,7 +158,7 @@ class Axes(VGroup, CoordinateSystem):
 
     def create_axis(self, min_val, max_val, axis_config):
         new_config = merge_dicts_recursively(
-            self.number_line_config,
+            self.axis_config,
             {"x_min": min_val, "x_max": max_val},
             axis_config,
         )
@@ -284,9 +284,7 @@ class NumberPlane(Axes):
     }
 
     def __init__(self, **kwargs):
-        digest_config(self, kwargs)
-        kwargs["number_line_config"] = self.axis_config
-        Axes.__init__(self, **kwargs)
+        super.__init__(**kwargs)
         self.init_background_lines()
 
     def init_background_lines(self):
diff --git a/manimlib/scene/three_d_scene.py b/manimlib/scene/three_d_scene.py
index da120610..5c2be57f 100644
--- a/manimlib/scene/three_d_scene.py
+++ b/manimlib/scene/three_d_scene.py
@@ -109,7 +109,7 @@ class SpecialThreeDScene(ThreeDScene):
         },
         "three_d_axes_config": {
             "num_axis_pieces": 1,
-            "number_line_config": {
+            "axis_config": {
                 "unit_size": 2,
                 "tick_frequency": 1,
                 "numbers_with_elongated_ticks": [0, 1, 2],
diff --git a/manimlib/scene/vector_space_scene.py b/manimlib/scene/vector_space_scene.py
index 77a0228f..902ad3bd 100644
--- a/manimlib/scene/vector_space_scene.py
+++ b/manimlib/scene/vector_space_scene.py
@@ -290,7 +290,7 @@ class LinearTransformationScene(VectorScene):
             "axis_config": {
                 "stroke_color": LIGHT_GREY,
             },
-            "number_line_config": {
+            "axis_config": {
                 "color": GREY,
             },
             "background_line_style": {