Ex: Line Types
The objective of this exercise is to get familiar with the line types used in orthographic projections.
Click on the correct line type.
| Visible line | ||
![]() |
![]() |
![]() |
| Hidden line | ||
![]() |
![]() |
![]() |
| Center line | ||
![]() |
![]() |
![]() |
| Phantom line | ||
![]() |
![]() |
![]() |
| Dimension & Extension lines | ||
![]() |
![]() |
![]() |
| Cutting plane line | ||
![]() |
![]() |
![]() |
| Section lines | ||
![]() |
![]() |
![]() |
| Break lines | ||
![]() |
![]() |
![]() |
Click on the figure to see the line types identified.









