diff --git a/mappings/net/minecraft/client/model/ModelPart.mapping b/mappings/net/minecraft/client/model/ModelPart.mapping
index 3454992d81..8fc111fa9c 100644
--- a/mappings/net/minecraft/client/model/ModelPart.mapping
+++ b/mappings/net/minecraft/client/model/ModelPart.mapping
@@ -55,6 +55,16 @@ CLASS net/minecraft/class_630 net/minecraft/client/model/ModelPart
 		ARG 1 pitch
 		ARG 2 yaw
 		ARG 3 roll
+	METHOD method_35745 forEachCuboid (Lnet/minecraft/class_4587;Lnet/minecraft/class_630$class_6229;)V
+		ARG 1 matrices
+		ARG 2 consumer
+	METHOD method_35746 forEachCuboid (Lnet/minecraft/class_4587;Lnet/minecraft/class_630$class_6229;Ljava/lang/String;)V
+		ARG 1 matrices
+		ARG 2 consumer
+		ARG 3 path
+	METHOD method_35747 (Lnet/minecraft/class_4587;Lnet/minecraft/class_630$class_6229;Ljava/lang/String;Ljava/lang/String;Lnet/minecraft/class_630;)V
+		ARG 3 name
+		ARG 4 part
 	CLASS class_593 Quad
 		FIELD field_21618 direction Lnet/minecraft/class_1160;
 		FIELD field_3502 vertices [Lnet/minecraft/class_630$class_618;
@@ -117,3 +127,16 @@ CLASS net/minecraft/class_630 net/minecraft/client/model/ModelPart
 			ARG 6 green
 			ARG 7 blue
 			ARG 8 alpha
+	CLASS class_6229 CuboidConsumer
+		METHOD method_35748 accept (Lnet/minecraft/class_4587$class_4665;Ljava/lang/String;ILnet/minecraft/class_630$class_628;)V
+			COMMENT Accepts a cuboid from a model part.
+			COMMENT
+			COMMENT @see ModelPart#forEachCuboid(MatrixStack, CuboidConsumer)
+			ARG 1 matrix
+				COMMENT the current matrix transformation from the model parts
+			ARG 2 path
+				COMMENT the path of the current model part, separated by {@code /}
+			ARG 3 index
+				COMMENT the index of the current cuboid in the current model part
+			ARG 4 cuboid
+				COMMENT the current cuboid