diff --git a/doc/Project_suggestions.md b/doc/Project_suggestions.md
index 84dde4d7b2aa22f818925a323880819c2068793d..cac08b1503e7f3fd2f0e96df8c5e7457299a9412 100644
--- a/doc/Project_suggestions.md
+++ b/doc/Project_suggestions.md
@@ -56,5 +56,9 @@ Symbolic execution engine for MIR internal format
 - Static analysis (for safely bound buffers)
 - Static analysis for data aging (opitmal ordering?)
 
+---
+## Printing device (William)
+- Rotating stick with LEDs at the end of the stick that can "print" text by switching the LEDs on and off with the right timings.
+
 ---
 ## Your ideas...
\ No newline at end of file