diff --git a/Sources/PerspectiveTransform/Perspective.swift b/Sources/PerspectiveTransform/Perspective.swift
index d30e718..11b15c5 100644
--- a/Sources/PerspectiveTransform/Perspective.swift
+++ b/Sources/PerspectiveTransform/Perspective.swift
@@ -14,7 +14,7 @@ import simd
 public final class Perspective {
     let vectors: [Vector3]
     
-    init(_ quad: Quadrilateral) {
+    public init(_ quad: Quadrilateral) {
         vectors = quad.corners.map {$0.homogeneous3dvector}
     }