CAD Technician Interview Questions and Answers for Freshers

Overlays in AutoCAD are used to superimpose one drawing on top of another for comparison or reference purposes.

• Overlays allow users to easily compare different versions of a drawing by superimposing them on top of each other.

• They can be used to reference external files or images within the current drawing.

• Overlays can help in coordinating different disciplines' drawings, such as architectural and structural plans.

• They are useful for checking alignment, dimensions, and other d...read more

A purge layer is used to remove excess material and prevent contamination during the printing process.

• Prevents contamination of the final product

• Removes excess material from the print bed

• Improves print quality by ensuring proper adhesion of layers