diff --git a/manimlib/constants.py b/manimlib/constants.py
index aaa2e50b..fbb14f1a 100644
--- a/manimlib/constants.py
+++ b/manimlib/constants.py
@@ -65,8 +65,8 @@ RADIANS: float = 1
 FFMPEG_BIN: str = "ffmpeg"
 
 JOINT_TYPE_MAP: dict = {
-    "auto": 0,
-    "round": 1,
+    "no_joint": 0,
+    "auto": 1,
     "bevel": 2,
     "miter": 3,
 }
diff --git a/manimlib/mobject/functions.py b/manimlib/mobject/functions.py
index 5007ced7..5ccb24db 100644
--- a/manimlib/mobject/functions.py
+++ b/manimlib/mobject/functions.py
@@ -93,9 +93,10 @@ class ImplicitFunction(VMobject):
         min_depth: int = 5,
         max_quads: int = 1500,
         use_smoothing: bool = True,
+        joint_type: str = 'no_joint',
         **kwargs
     ):
-        super().__init__(**kwargs)
+        super().__init__(joint_type=joint_type, **kwargs)
 
         p_min, p_max = (
             np.array([x_range[0], y_range[0]]),
diff --git a/manimlib/mobject/three_dimensions.py b/manimlib/mobject/three_dimensions.py
index 49cba1e3..01bcc807 100644
--- a/manimlib/mobject/three_dimensions.py
+++ b/manimlib/mobject/three_dimensions.py
@@ -38,6 +38,7 @@ class SurfaceMesh(VGroup):
         normal_nudge: float = 1e-2,
         flat_stroke: bool = False,
         depth_test: bool = True,
+        joint_type: str = 'no_joint',
         **kwargs
     ):
         self.uv_surface = uv_surface
@@ -49,6 +50,7 @@ class SurfaceMesh(VGroup):
             stroke_color=stroke_color,
             stroke_width=stroke_width,
             depth_test=depth_test,
+            joint_type=joint_type,
             **kwargs
         )
 
@@ -291,7 +293,7 @@ class VGroup3D(VGroup):
         gloss: float = 0.2,
         shadow: float = 0.2,
         reflectiveness: float = 0.2,
-        joint_type: str = "round",
+        joint_type: str = "no_joint",
         **kwargs
     ):
         super().__init__(*vmobjects, **kwargs)
diff --git a/manimlib/mobject/types/vectorized_mobject.py b/manimlib/mobject/types/vectorized_mobject.py
index 4d132396..fbea2fe3 100644
--- a/manimlib/mobject/types/vectorized_mobject.py
+++ b/manimlib/mobject/types/vectorized_mobject.py
@@ -84,7 +84,7 @@ class VMobject(Mobject):
         draw_stroke_behind_fill: bool = False,
         background_image_file: str | None = None,
         long_lines: bool = False,
-        # Could also be "bevel", "miter", "round"
+        # Could also be "no_joint", "bevel", "miter"
         joint_type: str = "auto",
         flat_stroke: bool = False,
         # Measured in pixel widths
diff --git a/manimlib/shaders/quadratic_bezier_stroke/geom.glsl b/manimlib/shaders/quadratic_bezier_stroke/geom.glsl
index 89142acd..fe0901f9 100644
--- a/manimlib/shaders/quadratic_bezier_stroke/geom.glsl
+++ b/manimlib/shaders/quadratic_bezier_stroke/geom.glsl
@@ -36,10 +36,10 @@ out float is_linear;
 out vec2 uv_coords;
 
 // Codes for joint types
-const float AUTO_JOINT = 0;
-const float ROUND_JOINT = 1;
-const float BEVEL_JOINT = 2;
-const float MITER_JOINT = 3;
+const int NO_JOINT = 0;
+const int AUTO_JOINT = 1;
+const int BEVEL_JOINT = 2;
+const int MITER_JOINT = 3;
 
 const float PI = 3.141592653;
 const float DISJOINT_CONST = 404.0;
@@ -56,10 +56,10 @@ void create_joint(float angle, vec2 unit_tan, float buff,
                   vec2 static_c0, out vec2 changing_c0,
                   vec2 static_c1, out vec2 changing_c1){
     float shift;
-    if(abs(angle) < ANGLE_THRESHOLD){
+    if(abs(angle) < ANGLE_THRESHOLD || int(joint_type) == NO_JOINT){
         // No joint
         shift = 0;
-    }else if(joint_type == MITER_JOINT || (joint_type == AUTO_JOINT && angle > 0.9 * PI)){
+    }else if(int(joint_type) == MITER_JOINT || (int(joint_type) == AUTO_JOINT && angle > 0.9 * PI)){
         shift = buff * (-1.0 - cos(angle)) / sin(angle);
     }else{
         // For a Bevel joint