diff --git a/builtin/common/vector.lua b/builtin/common/vector.lua
index 90ba3cc8b..0549f9a56 100644
--- a/builtin/common/vector.lua
+++ b/builtin/common/vector.lua
@@ -138,3 +138,8 @@ function vector.divide(a, b)
 			z = a.z / b}
 	end
 end
+
+function vector.sort(a, b)
+	return {x = math.min(a.x, b.x), y = math.min(a.y, b.y), z = math.min(a.z, b.z)},
+		{x = math.max(a.x, b.x), y = math.max(a.y, b.y), z = math.max(a.z, b.z)}
+end
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 2a0b72053..31a1daefb 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -1850,6 +1850,7 @@ Spatial Vectors
 * `vector.round(v)`: returns a vector, each dimension rounded to nearest int
 * `vector.apply(v, func)`: returns a vector
 * `vector.equals(v1, v2)`: returns a boolean
+* `vector.sort(v1, v2)`: returns minp, maxp vectors of the cuboid defined by v1 and v2
 
 For the following functions `x` can be either a vector or a number: