diff --git a/history/009a_fish3d/src/main/java/com/gitee/drinkjava2/frog/brain/Cuboid.java b/history/009a_fish3d/src/main/java/com/gitee/drinkjava2/frog/brain/Cuboid.java
new file mode 100644
index 0000000..7d98dac
--- /dev/null
+++ b/history/009a_fish3d/src/main/java/com/gitee/drinkjava2/frog/brain/Cuboid.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2018 the original author or authors. 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by
+ * applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
+ * OF ANY KIND, either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ */
+package com.gitee.drinkjava2.frog.brain;
+
+/**
+ * Cuboid represents a rectangular prism 3d zone in brain
+ * 
+ * Cuboid是一个长方体，通常用来表示脑内器官的形状。另一个功能类似的形装是Cone锥形体。
+ * 
+ * @author Yong Zhu
+ * @since 2.0.2
+ */
+@SuppressWarnings("all")
+public class Cuboid implements Shape {
+	private static final long serialVersionUID = 1L;
+
+	public float x;// x,y,z是长方体的左下角坐标
+	public float y;
+	public float z;
+	public float xe;// xe,ye,ze分别是长方体三边长
+	public float ye;
+	public float ze;
+
+	public Cuboid() {
+		// 空构造器不能省
+	}
+
+	public Cuboid(float x, float y, float z, float xe, float ye, float ze) {// 用x,y,z,r来构造
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.xe = xe;
+		this.ye = ye;
+		this.ze = ze;
+	}
+
+	public Cuboid(Cuboid c) {// 用另一个Cuboid来构造
+		this.x = c.x;
+		this.y = c.y;
+		this.z = c.z;
+		this.xe = c.xe;
+		this.ye = c.ye;
+		this.ze = c.ze;
+	}
+
+	@Override
+	public void drawOnBrainPicture(BrainPicture pic) {
+		pic.drawCuboid(this);
+	}
+
+}