What is the main difference between 2D and 3D drawings?

• 2D has only two axes (X and Y), while 3D has three (X, Y, and Z).

• 2D drawings can rotate in all directions.

• 3D drawings are always flat.

• 2D drawings are used for 3D printing.

• None of the above.

Which of the following is a benefit of 3D modelling?

• It helps visualize complex structures before construction.

• It allows for physical prototyping.

• It is used in movies, games, and architecture.

• It speeds up the design process.

• All the answers are correct

What does the Z-axis represent in 3D modelling?

• Width

• Height

• Depth

• Time

• None of the above.

Which technique is used to represent 3D objects in 2D drawings?

• Perspective drawing

• Wireframing

• Orthographic projection

• Freehand sketching

• None of the above.

What is a common issue in 3D printing?

• Objects being too small to print

• Floating or disconnected parts

• Overhangs requiring supports

• Misalignment with the workplane

• All the answers are correct

Why is it important to change the workplane in Tinkercad?

• To place objects accurately

• To delete objects

• To make objects invisible

• To color objects

• None of the above.

What does the ruler tool help with in Tinkercad?

• Measuring distances

• Coloring objects

• Rotating objects

• Creating new shapes

• None of the above.

How can two separate objects be combined in Tinkercad?

• By aligning them

• By grouping them

• By resizing them

• By rotating them

• None of the above.

What is the purpose of using the Shapes Library in Tinkercad?

• To create 2D sketches

• To add pre-made complex shapes

• To color objects

• To adjust lighting

• None of the above.

Which problem occurs when a model is not properly attached to the base of the workplane?

• The model will be too large

• The model may detach during printing

• The model will have too many details

• The model will not be colorful

• None of the above.