diff a/hat/.shade b/hat/.shade
--- /dev/null
+++ b/hat/.shade
@@ -0,0 +1,13 @@
+--add-modules=jdk.incubator.code
+--enable-native-access=ALL-UNNAMED
+-DHAT=SHOW_CODE,MINIMIZE_COPIES
+-cp '\
+   build/hat-optkl-1.0.jar:\
+   build/hat-core-1.0.jar:\
+   build/hat-backend-ffi-shared-1.0.jar:\
+   build/hat-backend-ffi-opencl-1.0.jar:\
+   build/hat-example-shared-1.0.jar:\
+   build/hat-example-shade-1.0.jar\
+'
+-Djava.library.path=./build
+shade.shaders.TruchetShader