diff --git a/engine/gf_draw_common.c b/engine/gf_draw_common.c
index b89bd76..220fd8b 100644
--- a/engine/gf_draw_common.c
+++ b/engine/gf_draw_common.c
@@ -91,11 +91,16 @@ gf_draw_t* gf_draw_create(gf_engine_t* engine, const char* title) {
 
 void gf_draw_reshape(gf_draw_t* draw) { gf_draw_driver_reshape(draw); }
 
+gf_gui_id_t button = -1;
+
 /* Runs every frame */
 void gf_draw_frame(gf_draw_t* draw) {
 	gf_graphic_color_t color;
 	color.r = color.g = color.b = color.a = 255;
-	if(!draw->draw_3d) {
+	if(button == -1) {
+		button = gf_gui_create_button(draw->gui, 0, 0, 200, 100, "Test");
+	}
+	if(draw->draw_3d) {
 		gf_graphic_draw_texture_polygon(draw, test_texture, color, GF_GRAPHIC_3D, 4,
 						/* clang-format off */
 			0.0, 0.0,
@@ -112,6 +117,7 @@ void gf_draw_frame(gf_draw_t* draw) {
 						/* clang-format on */
 		);
 	}
+	gf_gui_render(draw->gui);
 }
 
 int gf_draw_step(gf_draw_t* draw) {
diff --git a/misc/relation.gv b/misc/relation.gv
index 9bdb86d..1f2a7e4 100644
--- a/misc/relation.gv
+++ b/misc/relation.gv
@@ -76,6 +76,9 @@ digraph relation {
 
 		subgraph cluster_client {
 			label = "Client Interface";
+			ct [
+				label = "gf_client_t"
+			];
 			gui [
 				label = "GUI"
 			];
@@ -110,6 +113,9 @@ digraph relation {
 
 		subgraph cluster_server {
 			label = "Server Interface";
+			st [
+				label = "gf_server_t"
+			];
 
 			subgraph cluster_physics {
 				label = "Physics Interface";
@@ -158,12 +164,18 @@ digraph relation {
 	uf -> gf;
 
 	// Engine
-	gf -> dt;
+	gf -> ct;
 	
-	gf -> pt;
+	gf -> st;
 
 	gf -> log;
 
+	// Client
+	ct -> dt;
+
+	// Server
+	st -> pt;
+
 	// Log
 	log -> dt;
 
diff --git a/misc/relation.png b/misc/relation.png
index dbc77e5..b2cc524 100644
Binary files a/misc/relation.png and b/misc/relation.png differ