diff --git a/utils/dimension.scad b/utils/dimension.scad
index 8094519..b528bff 100644
--- a/utils/dimension.scad
+++ b/utils/dimension.scad
@@ -59,9 +59,9 @@ module dimension(startpoint, endpoint, text = "", thickness = 0.1) {
 
     // Draw the text/distance
     dir = (length > 0) ? (direction / length) * thickness * 4 : [1, 0, 0]; 
-    up_dir = rotate_vector_3d([0,1,0], [0,0,1] ,azimuth);
+    up_dir = transform([0,1,0], rotate(azimuth));
     
-    translate(midpoint + up_dir*0.66)
+    translate(midpoint + up_dir*thickness)
     rotate([0, elevation, azimuth]) 
     linear_extrude(thickness)
     text(text == "" ? str(length) : text, size = thickness * 5, valign = "bottom", halign = "center");
diff --git a/utils/maths.scad b/utils/maths.scad
index 87153e3..0f8b68c 100644
--- a/utils/maths.scad
+++ b/utils/maths.scad
@@ -190,28 +190,4 @@ function cubic_real_roots(a, b, c, d) = //! Returns real roots of cubic equation
 
 function path_length(path, i = 0, length = 0) = //! Calculated the length along a path
     i >= len(path) - 1 ? length
-                       : path_length(path, i + 1, length + norm(path[i + 1] - path[i]));
-
-function rotate_vector_2d(v, angle) = [
-    v[0] * cos(angle) - v[1] * sin(angle),
-    v[0] * sin(angle) + v[1] * cos(angle)
-];
-
-function rotation_matrix(axis, angle) = let(
-    u = axis / norm(axis), // Normalize axis
-    ux = u[0], uy = u[1], uz = u[2],
-    cosA = cos(angle), sinA = sin(angle),
-    one_minus_cosA = 1 - cosA
-) [
-    [cosA + ux*ux*one_minus_cosA,    ux*uy*one_minus_cosA - uz*sinA,  ux*uz*one_minus_cosA + uy*sinA],
-    [uy*ux*one_minus_cosA + uz*sinA, cosA + uy*uy*one_minus_cosA,     uy*uz*one_minus_cosA - ux*sinA],
-    [uz*ux*one_minus_cosA - uy*sinA, uz*uy*one_minus_cosA + ux*sinA,  cosA + uz*uz*one_minus_cosA]
-];
-
-function rotate_vector_3d(v, axis, angle) = let(
-    mat = rotation_matrix(axis, angle)
-) [
-    mat[0][0]*v[0] + mat[0][1]*v[1] + mat[0][2]*v[2],
-    mat[1][0]*v[0] + mat[1][1]*v[1] + mat[1][2]*v[2],
-    mat[2][0]*v[0] + mat[2][1]*v[1] + mat[2][2]*v[2]
-];
+                       : path_length(path, i + 1, length + norm(path[i + 1] - path[i]));
\ No newline at end of file