Rapid Prototyping — Summer 2025

Differentiate between conventional and rapid prototyping.

Give classification of rapid manufacturing processes.

Write short note on .stl and .slc file formats used for rapid prototyping.

Why part orientation is important in rapid prototyping process?

Differentiate between direct slicing and adaptive slicing.

Briefly explain validity checks and repairs of CAD models for rapid prototyping with suitable examples.

Explain (i) support structure generation & (ii) tool path generation for rapid prototyping with suitable examples.

List various materials used for Stereolithography process.

Explain the physics of Stereolithography process with a neat sketch.

What is microstereolithography? Write application and limitations of Stereolithography.

What is laminated object with reference to rapid prototyping?

Explain 3D printing process with a neat sketch.

Explain Selective Laser Sintering (SLS) process with a neat sketch and write applications of SLS process.

What is laser engineered net shaping?

Compare powder bed fusion and photopolymerization processes.

Explain ultrasonic consolidation process with a neat sketch and write applications of the process.

What are the limitations of 3D printing process.

Write advantages and applications of Laminated object manufacturing.

Explain direct metal deposition process with a neat sketch and write applications and limitations of the process.

What can be the pre-processing errors in rapid prototyping?

Explain various types of errors that can occur during post-processing in rapid prototyping.

Explain part building errors in SLA with suitable examples.

What is rapid tooling?

Write medical applications of rapid prototyping.

Explain reverse engineering with a suitable example.