If you're interested in diving into the world of open 3D, there are countless exciting projects waiting for you to explore. From 3D printing to modeling and design, the open 3D community offers endless opportunities for creativity and innovation. Here are 7 open 3D projects you need to try:

1. OpenSCAD: OpenSCAD is a free software for creating solid 3D CAD models. It is a script-only based modeller that uses its own description language to generate 3D CAD models. With OpenSCAD, you can design complex 3D objects using simple scripts, making it a powerful tool for both beginners and experienced designers.

2. RepRap: RepRap is an open-source 3D printer project that aims to create a self-replicating 3D printer. The project provides free designs for 3D printers, allowing anyone to build and customize their own machine. RepRap has played a significant role in the growth of the 3D printing community and continues to inspire new developments in the field.

3. Blender: Blender is a free and open-source 3D creation suite that supports the entire 3D pipeline – modeling, rigging, animation, simulation, rendering, compositing, and motion tracking. It is a powerful tool for creating stunning visual effects, animated films, and video games, and is used by professionals and hobbyists alike.

4. FreeCAD: FreeCAD is a parametric 3D modeler made primarily to design real-life objects of any size. It is open-source and highly customizable, with a modular architecture that allows plugins to add advanced features. FreeCAD is an excellent choice for engineers, architects, and anyone interested in 3D design and modeling.

5. OpenJSCAD: OpenJSCAD is a 3D modeling program with a focus on the programming side of things. It is an open-source tool for creating solid 3D CAD models using JavaScript code. OpenJSCAD allows you to design and customize 3D objects using programming, making it a unique and versatile option for creating complex models.

6. Slic3r: Slic3r is a 3D printing software that converts digital 3D models into printing instructions for 3D printers. It is open-source and widely used in the 3D printing community. Slic3r's advanced features and customizability make it a popular choice for preparing 3D models for printing.

7. Open Source Furniture: Open Source Furniture is a growing movement that promotes the sharing of furniture designs under open licenses. This allows anyone to access and modify furniture designs, making it easier for people to create custom furniture pieces. Open Source Furniture is a great way to explore the intersection of open 3D and functional design.

These open 3D projects offer a wealth of opportunities for creativity, learning, and collaboration. Whether you're interested in 3D printing, modeling, or design, there's something for everyone in the world of open 3D. So why not dive in and see what exciting projects you can discover?