Across
- 1. Drawing 3D in 2D
- 5. Science of interaction of air and moving objects
- 6. Prius
- 7. Would have helped for your marshmallow challenge
- 9. The fun part of a home-improvement project
- 12. Raise the roof with air
- 13. Brains behind the design
- 18. The curve carries the weight
- 19. Drawing viewed from ground level
- 21. Thinking portion of a project
Down
- 2. I'll start, you add this, then she adds that and passes it on
- 3. Basement
- 4. Cable supported roadway
- 8. Technology used in designing and building structures
- 10. Two beamed bridge
- 11. Airplanes and race cars must consider this
- 14. Boats use this deep path of water to travel
- 15. Abbreviation for a computer program used to create drawings
- 16. Technology connected to plant and animal life
- 17. Shows features of a structure
- 20. Drawing that shows the secrets of the floor plan