1. Introduction to SketchUp:

• Overview of the SketchUp interface and tools
• Setting up a new project and importing files
• Navigating and manipulating the 3D model

2. Modeling basics:

• Drawing and editing basic shapes (lines, circles, rectangles, etc.)
• Extruding and pushing/pulling faces
• Using the Follow Me tool to create complex shapes
• Working with components and groups

3. Advanced modeling techniques:

• Using the SketchUp Sandbox tools (terrain modeling, water features, etc.)
• Creating and manipulating curves and splines
• Using the 3D Warehouse and SketchUp Extension Warehouse to access additional modeling tools and resources

4. Rendering and presentation:

• Setting up scenes and styles to create professional-quality renderings
• Exporting images and videos for presentations and documentation

5. Tips and best practices:

• Best practices for efficient modeling and project management
• Troubleshooting common problems and errors
• Advanced modeling techniques and workflows
• Preparing your models for 3D printing

This is just a general outline, and the specific topics and order can be tailored to the needs and goals of the training program. It's also important to include hands-on exercises and projects throughout the training to give participants the opportunity to practice and apply what they have learned.