diff --git a/rosys/geometry/point3d.py b/rosys/geometry/point3d.py
index 4c15796f..5e1623ed 100644
--- a/rosys/geometry/point3d.py
+++ b/rosys/geometry/point3d.py
@@ -2,6 +2,7 @@
 
 import math
 from dataclasses import dataclass
+from typing import Sequence
 
 from .point import Point
 
@@ -12,6 +13,11 @@ class Point3d:
     y: float
     z: float
 
+    @staticmethod
+    def from_tuple(t: Sequence[float]) -> Point3d:
+        """Create a Point3d from the three first elements of a sequence."""
+        return Point3d(x=t[0], y=t[1], z=t[2])
+
     @property
     def tuple(self) -> tuple[float, float, float]:
         return (self.x, self.y, self.z)