diff --git a/main.c b/main.c
index b97b41c..e1c1fa4 100644
--- a/main.c
+++ b/main.c
@@ -46,6 +46,14 @@ static const uint16_t indices[] = { 0, 1, 2, 2, 3, 0 };
 		x, y, z, 1, \
 	}
 
+#define ROT_X(a) \
+	{ \
+		1, 0,       0,        0, \
+		0, cosf(a), sinf(a),  0, \
+		0, -sinf(a), cosf(a), 0, \
+		0, 0,       0,        1, \
+	}
+
 #define ROT_Y(a) \
 	{ \
 		cosf(a), 0, -sinf(a), 0, \
@@ -53,6 +61,14 @@ static const uint16_t indices[] = { 0, 1, 2, 2, 3, 0 };
 		sinf(a), 0, cosf(a),  0, \
 		0,       0, 0,        1, \
 	}
+
+#define ROT_Z(a) \
+	{ \
+		cosf(a),  sinf(a), 0, 0, \
+		-sinf(a), cosf(a), 0, 0, \
+		0,        0,       1, 0, \
+		0,        0,       0, 1, \
+	}
 // clang-format on
 
 static void