| Name | Format | # Files | Size | Date |
|---|---|---|---|---|
| Standard Overlay | MacBinary | 1 | 107KB | 1995-10-11 |
| AEC Overlay | MacBinary | 1 | 126KB | 1995-10-23 |
| Civil Overlay | MacBinary | 1 | 107KB | 1995-10-13 |
| Cross Stitch Overlay | MacBinary | 1 | 76KB | 1995-10-13 |
| Electrical Overlay | MacBinary | 1 | 76KB | 1995-10-13 |
| Mechanical Overlay | MacBinary | 1 | 108KB | 1995-10-12 |
| Terrain Modeler Overlay | MacBinary | 1 | 107KB | 1995-10-11 |
| Toolkit Overlay | MacBinary | 1 | 127KB | 1995-10-23 |