Glue3D is an innovative and comprehensive game engine designed entirely in vanilla Scratch, highlighting the capabilities of the pen extension. Developed by the user @GL00B, this project serves as a valuable resource for learners interested in delving into the world of 3D game development. Glue3D aims to demystify the complexities often associated with 3D graphics and provide an accessible platform for users of all skill levels to explore and understand the fundamentals of three-dimensional game design. Through this project, @GL00B hopes to inspire creativity and foster a deeper appreciation for programming and game development in Scratch, making the learning process not only informative but also engaging and fun. By leveraging the pen extension, Glue3D offers unique visual experiences, allowing users to experiment with shapes, perspectives, and 3d models in a way that feels intuitive and approachable. Overall, this project stands as a testament to the potential of Scratch as a tool for education and creativity in the realm of game development.