diff --git a/examples/PoolBox/application/src/Overlay/ScreenCenter/screen_center.cpp b/examples/PoolBox/application/src/Overlay/ScreenCenter/screen_center.cpp
index 963f117f..473e0084 100644
--- a/examples/PoolBox/application/src/Overlay/ScreenCenter/screen_center.cpp
+++ b/examples/PoolBox/application/src/Overlay/ScreenCenter/screen_center.cpp
@@ -1,7 +1,29 @@
+#include "../../../include/shared.hpp"
+#include <PSX/GPU/gpu.hpp>
 #include <stdio.h>
 
 namespace ScreenCenter {
+    using namespace JabyEngine;
+
+    static const char*const ASCII = "!\"#$%&'()*+,-./0\n123456789:;<=>?@\nABCDEFGHIJKLMNOP\nQRSTUVWXYZ[\\]^_`\nabcdefghijklmnop\nqrstuvwxyz{|}~";
+
+    static void setup() {}
+    static void update() {
+        auto cursor = FontWriter::update(Make::PositionI16(8, 8));
+
+        FontWriter::bios_font_writer.write(cursor, ASCII);
+    }
+    static void render() {
+        FontWriter::bios_font_writer.render();
+    }
+
     void main() {
-        printf("BlubbBlubbBlubbBlubb\n");
+        setup();
+
+        while(true) {
+            update();
+            GPU::swap_buffers_vsync(1);
+            render();
+        }
     }
 }
\ No newline at end of file
diff --git a/examples/PoolBox/application/src/application.cpp b/examples/PoolBox/application/src/application.cpp
index f0a23fca..df6232b9 100644
--- a/examples/PoolBox/application/src/application.cpp
+++ b/examples/PoolBox/application/src/application.cpp
@@ -81,7 +81,7 @@ static void setup() {
 namespace NormalScene {
     static void update() {
         static const char     Title[]     = "Pool Box";
-        static constexpr auto TitleLength = (sizeof(Title) - 1)*DefaultFont::Info.font_size.width;
+        static constexpr auto TitleLength = (sizeof(Title) - 1)*DefaultFont::Info.get_font_size().width;
 
         Periphery::query_controller();
         auto cursor = FontWriter::update(JabyEngine::Make::PositionI16((GPU::Display::Width-TitleLength)/2, 16));
@@ -108,7 +108,7 @@ namespace NormalScene {
 namespace LoadingScene {
     static void update() {
         static const char     Title[]     = "Loading...";
-        static constexpr auto TitleLength = (sizeof(Title) - 1)*DefaultFont::Info.font_size.width;
+        static constexpr auto TitleLength = (sizeof(Title) - 1)*DefaultFont::Info.get_font_size().width;
 
         auto cursor = FontWriter::update(JabyEngine::Make::PositionI16((GPU::Display::Width-TitleLength)/2, (GPU::Display::Height-16)/2));
         FontWriter::new_font_writer.write(cursor, Title, GPU::Color24::Blue(0xD0));        
diff --git a/include/PSX/GPU/gpu_types.hpp b/include/PSX/GPU/gpu_types.hpp
index 22183077..2d52f176 100644
--- a/include/PSX/GPU/gpu_types.hpp
+++ b/include/PSX/GPU/gpu_types.hpp
@@ -198,6 +198,7 @@ namespace JabyEngine {
         using PositionU8  = Position<uint8_t>;
         using PositionI16 = Position<int16_t>;
         using PositionU16 = Position<uint16_t>;
+        using Vertex      = PositionI16;
 
         template<typename T>
         struct Size {
@@ -208,12 +209,17 @@ namespace JabyEngine {
                 return Size{w, h};
             }
 
+            template<typename S>
+            static constexpr Size from(const Size<S>& size) {
+                return Size::create(static_cast<T>(size.width), static_cast<T>(size.height));
+            }
+
             auto operator<=>(const Size<T>&) const = default;
         };
-        typedef Size<int16_t>  SizeI16;
-        typedef Size<uint16_t> SizeU16;
-        // Type used for primitives
-        typedef PositionI16 Vertex;
+        using SizeI8  = Size<int8_t>;
+        using SizeU8  = Size<uint8_t>;
+        using SizeI16 = Size<int16_t>;
+        using SizeU16 = Size<uint16_t>;
 
         template<typename T, typename S>
         static constexpr T tile_id_for(S id, S row_count, Size<S> size) {
diff --git a/include/PSX/GPU/make_gpu_primitives.hpp b/include/PSX/GPU/make_gpu_primitives.hpp
index e9ea094b..ff6761ef 100644
--- a/include/PSX/GPU/make_gpu_primitives.hpp
+++ b/include/PSX/GPU/make_gpu_primitives.hpp
@@ -13,6 +13,24 @@ namespace JabyEngine {
 
         // ###################################################################
 
+        static constexpr GPU::SizeI8 SizeI8() {
+            return creator_template<GPU::SizeI8>(0_i8, 0_i8);
+        }
+        static constexpr GPU::SizeI8 SizeI8(int8_t x, int8_t y) {
+            return creator_template<GPU::SizeI8>(x, y);
+        }
+
+        // ###################################################################
+
+        static constexpr GPU::SizeU8 SizeU8() {
+            return creator_template<GPU::SizeU8>(0_u8, 0_u8);
+        }
+        static constexpr GPU::SizeU8 SizeU8(uint8_t x, uint8_t y) {
+            return creator_template<GPU::SizeU8>(x, y);
+        }
+
+        // ###################################################################
+
         static constexpr GPU::SizeI16 SizeI16() {
             return creator_template<GPU::SizeI16>(0_i16, 0_i16);
         }