Update README.md

Author: whiskyching

README.md

@@ -31,3 +31,8 @@
 ---
 ![image](https://user-images.githubusercontent.com/65818525/130496893-20dc05c1-8d7c-4da8-b796-9b162f661e40.png)
 
+## 3D Print 
+![image](https://user-images.githubusercontent.com/65818525/130499308-34718a2c-671f-46dd-bcfa-4cb0a7af4096.png)
+---
+![image](https://user-images.githubusercontent.com/65818525/130499331-78a6e4bd-a0b6-4b55-a8b6-5ee397f61395.png)
+