3D Product 3D Printing Technologies

Question 1

What does FDM stand for in 3D printing?

Accepted Answer

Fused Deposition Modeling

Answer

Frequency Driven Manufacturing

Answer

Fused Digital Mapping

Answer

Fabricated Deposition Method

Question 2

What is stereolithography (SLA) 3D printing?

Accepted Answer

A resin-based process that uses UV laser light to cure photopolymer resin layer by layer

Answer

A filament extrusion method using high-temperature plastics

Answer

A powder bed fusion process using metal powders

Answer

An inkjet-based process for printing wax patterns

Question 3

What is 'support material' in 3D printing and why is it needed?

Accepted Answer

Temporary structures printed beneath overhanging geometry to prevent collapse during printing

Answer

The primary filament material used for the object

Answer

A post-processing coating applied to the finished part

Answer

A type of infill pattern used inside hollow objects

Question 4

What does 'layer resolution' mean in 3D printing?

Accepted Answer

The thickness of each printed layer, which determines vertical detail and surface smoothness

Answer

The maximum build volume of the printer

Answer

The speed at which the print head moves

Answer

The number of perimeter shells printed

Question 5

What is Selective Laser Sintering (SLS) used for in product development?

Accepted Answer

To fuse powdered nylon or other materials with a laser for strong, functional parts without support structures

Answer

To print with metal filament using a standard FDM printer

Answer

To cure resin in a vat using a projector

Answer

To print large-scale architectural models

Question 6

What is 'infill' in FDM 3D printing?

Accepted Answer

The internal structure printed inside a solid-looking object to add strength while saving material

Answer

The first layer printed on the build plate

Answer

The final outer shell of a printed object

Answer

The temperature setting for the heated build plate