diff --git a/qmake.build/c/libstl/libstl.pro b/qmake.build/c/libstl/libstl.pro
index 5596b1d..20252d9 100644
--- a/qmake.build/c/libstl/libstl.pro
+++ b/qmake.build/c/libstl/libstl.pro
@@ -29,7 +29,8 @@ HEADERS += \
     ../../../src/c/libstl/stl_global.h \
     ../../../src/c/libstl/stlb_read.h \
     ../../../src/c/libstl/stlb_write.h \
-    ../../../src/c/libstl/stl_triangle.h
+    ../../../src/c/libstl/stl_triangle.h \
+    ../../../src/c/libstl/stlb_triangle.h
 
 SOURCES += \
     ../../../src/c/endian.c \
diff --git a/src/c/libstl/stlb_triangle.h b/src/c/libstl/stlb_triangle.h
new file mode 100644
index 0000000..8f2b146
--- /dev/null
+++ b/src/c/libstl/stlb_triangle.h
@@ -0,0 +1,12 @@
+#ifndef FOUG_C_LIBSTL_STLB_TRIANGLE_H
+#define FOUG_C_LIBSTL_STLB_TRIANGLE_H
+
+#include "stl_triangle.h"
+
+typedef struct
+{
+  foug_stl_triangle_t data;
+  uint16_t attribute_byte_count;
+} foug_stlb_triangle_t;
+
+#endif /* FOUG_C_LIBSTL_STLB_TRIANGLE_H */