diff --git a/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet.SubSheet;4 b/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet.SubSheet;4
new file mode 100644
index 00000000..185778a9
--- /dev/null
+++ b/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet.SubSheet;4
@@ -0,0 +1,46 @@
+O1;net.drinkingtea.ox.TypeDescriptor;1;{
+	"fieldList" : 
+	[
+		{
+			"fieldName" : "id",
+			"typeId" : "B.int32;0"
+		},
+		{
+			"fieldName" : "name",
+			"typeId" : "net.drinkingtea.ox.BasicString#8#;1"
+		},
+		{
+			"fieldName" : "rows",
+			"typeId" : "B.int32;0"
+		},
+		{
+			"fieldName" : "columns",
+			"typeId" : "B.int32;0"
+		},
+		{
+			"fieldName" : "subsheets",
+			"subscriptLevels" : 1,
+			"subscriptStack" : 
+			[
+				{
+					"subscriptType" : 4
+				}
+			],
+			"typeId" : "net.drinkingtea.nostalgia.core.TileSheet.SubSheet;4"
+		},
+		{
+			"fieldName" : "pixels",
+			"subscriptLevels" : 1,
+			"subscriptStack" : 
+			[
+				{
+					"subscriptType" : 4
+				}
+			],
+			"typeId" : "B.uint8;0"
+		}
+	],
+	"primitiveType" : 5,
+	"typeName" : "net.drinkingtea.nostalgia.core.TileSheet.SubSheet",
+	"typeVersion" : 4
+}
diff --git a/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet;4 b/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet;4
new file mode 100644
index 00000000..9dc2b451
--- /dev/null
+++ b/sample_project/.nostalgia/type_descriptors/net.drinkingtea.nostalgia.core.TileSheet;4
@@ -0,0 +1,24 @@
+O1;net.drinkingtea.ox.TypeDescriptor;1;{
+	"fieldList" : 
+	[
+		{
+			"fieldName" : "bpp",
+			"typeId" : "B.int8;0"
+		},
+		{
+			"fieldName" : "idIt",
+			"typeId" : "B.int32;0"
+		},
+		{
+			"fieldName" : "defaultPalette",
+			"typeId" : "net.drinkingtea.ox.FileAddress;1"
+		},
+		{
+			"fieldName" : "subsheet",
+			"typeId" : "net.drinkingtea.nostalgia.core.TileSheet.SubSheet;4"
+		}
+	],
+	"primitiveType" : 5,
+	"typeName" : "net.drinkingtea.nostalgia.core.TileSheet",
+	"typeVersion" : 4
+}