- Just what was L3D?
- The philosophy of digital vs. physical
- Building a database of 3D data
- Requirements definition
- Content definition
- Management definition
- Practical vs. ideal
- Applications
- 3D object models
- LEGO object models
- Levels of Representation
- 3D data interchange
- Bundles
- A Failure to Communicate
- Semi-infinite data structures
- Dynamic data delivery
- Five-dimensional database access
- Database technologies
- Toy or Tool?
- LEGO colors and materials
- L3D version 2