diff --git a/docs/UML/Sequence Diagrams/Cropping an Image.puml b/docs/UML/Sequence Diagrams/Cropping an Image.puml
new file mode 100644
index 0000000..7da47b6
--- /dev/null
+++ b/docs/UML/Sequence Diagrams/Cropping an Image.puml	
@@ -0,0 +1,14 @@
+@startuml
+'https://plantuml.com/sequence-diagram
+
+Actor User
+Boundary GUI
+
+User --> GUI : User selects crop
+GUI --> User : Dialogue box pops up asking for co-ordinates
+User --> GUI : User specifies co-ordinates
+GUI --> CropImage : manipulateImage()
+CropImage --> GUI : New image is created and sent back to the GUI
+GUI --> User : User sees new image
+
+@enduml
\ No newline at end of file