diff --git a/.gitignore b/.gitignore
index c7f6825..5e0b191 100644
--- a/.gitignore
+++ b/.gitignore
@@ -116,3 +116,5 @@ tags
 # Persistent undo
 [._]*.un~
 
+# Executable name
+pialarm
diff --git a/build-and-run.sh b/build-and-run.sh
new file mode 100755
index 0000000..d4e3a63
--- /dev/null
+++ b/build-and-run.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/bash
+
+set -ex
+
+gcc -o pialarm src/main.c -Wall -Wno-missing-braces -Wunused-result -O2 \
+	-I. -I/usr/local/include \
+	-Iraylib-5.5/src -Iraylib-5.5/src/external \
+	-Iclay \
+	-lraylib -lGL -lm -lpthread -ldl -lrt -lX11 -latomic \
+	-L. -Lraylib-5.5/src -L/usr/local/lib \
+	-D_DEFAULT_SOURCE \
+	-DPLATFORM_DESKTOP -DPLATFORM_DESKTOP_GLFW
+
+./pialarm
diff --git a/build-raylib.sh b/build-raylib.sh
new file mode 100755
index 0000000..7b62c11
--- /dev/null
+++ b/build-raylib.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/bash
+
+set -ex
+
+pushd "raylib-5.5/src"
+make clean
+make
+popd
+
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..46d33e5
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,35 @@
+#define CLAY_IMPLEMENTATION
+#include "clay.h"
+#include "renderers/raylib/clay_renderer_raylib.c"
+
+int main(void)
+{
+    uint64_t clayRequiredMemory = Clay_MinMemorySize();
+    Clay_Arena clayMemory = (Clay_Arena) {
+        .label = CLAY_STRING("Clay Memory Arena"),
+        .memory = malloc(clayRequiredMemory),
+        .capacity = clayRequiredMemory
+    };
+    Clay_Initialize(clayMemory, (Clay_Dimensions) { (float)GetScreenWidth(), (float)GetScreenHeight() });
+    Clay_Raylib_Initialize(GetScreenWidth(), GetScreenHeight(), "PiAlarm", FLAG_FULLSCREEN_MODE);
+    while (!WindowShouldClose()) {
+        Clay_BeginLayout();
+        CLAY(
+            CLAY_RECTANGLE({ .color = {255, 0, 0, 255} }),
+            CLAY_LAYOUT({
+                .sizing = {
+                    .width = 720,
+                    .height = 720
+                }
+            })
+        ) {}
+        Clay_RenderCommandArray renderCommands = Clay_EndLayout();
+
+        BeginDrawing();
+        ClearBackground(BLACK);
+        Clay_Raylib_Render(renderCommands);
+        EndDrawing();
+    }
+    CloseWindow();
+    return 0;
+}