smart365

Part Quality Assessment Guide

Learn more about the benefits of our Unique Service Levels

graphite online logo reversed
Our more accessible service level adheres to typical industry standards for surface finish quality and tolerances, offering cost-effective 3D printing solutions for businesses seeking to balance budget and quality. Ideal for small component production where you already have a proven CAD design that meets your needs, Graphite Online includes:
graphite reversed
Our premium service is tailored for demanding applications that require precision, speed, and exceptional quality. Ideal for high-performance industries such as Formula One, automotive, and yacht racing, this service offers:

Most Common Printing Issues

Typical machine and technology defects generally accepted in the industry. These may occur during the printing process but do not affect the design layout, functionality or appearance. The part quality issues are categorised as Pass or Fail to ensure quality standards while allowing acceptable imperfections. 

Issues that pass our final inspection and may appear on the final product.

Issues that will not pass our final inspection and will not appear on the final product.

VISUAL (Click image to expand)
PART QUALITY ISSUE
DESCRIPTION
ACCEPTED?

graphite online

Printhead Lines

Visible streaks or straight lines on the surface. 

Feeder Vane Lines

Raised line across build line. 

Bubbling (MJF)

Small holes or pitted texture on top surface of the part.

Scarring / Debris In Part

Slits / tears in the sidewall of a part.

Less than 10mm?
More than 10mm?

Power Banding

Horizontal stripes or bands across the surface of the part. 

Orange Peel

Rough, uneven texture with pitted or bumpy appearance

Fragmentation

Fragmented lines across top or bottom surfaces of part

Triangulation

Triangles on any surface of a part. 

Laser Lines

Lines across the top or bottom surfaces of a part.

Thin Walls

Walls on the part that are too thin and break easily. Holes will appear in the part or there will be missing features.

Stair Stepping

Build layer lines.

Warping

The part’s edges curl up or bend out of shape.

Thermal Bleed
The material spreads or leaks out because it’s too hot. Hardened white powder that is semi fused to the part.

Elephant Skin

Irregular grooves on any face of the part, usually in patches.

Delamination

Layer separation.

printhead lines
PART QUALITY ISSUE

Printhead Lines

DESCRIPTION

Visible streaks or straight lines on the surface. They may appear slightly raised or recessed and can have different texture and sheen compared to the surrounding surface

ACCEPTED?
graphite online logo reversed
feeder vane lines
PART QUALITY ISSUE

Feeder Vane Lines

 

DESCRIPTION

Raised line across build line. 

 

ACCEPTED?
graphite online logo reversed
bubbling
PART QUALITY ISSUE

Flaky Top

DESCRIPTION
Flaky top surface layer of a part
ACCEPTED?
graphite online logo reversed
bubbling
PART QUALITY ISSUE
Bubbling
DESCRIPTION

Small holes or pitted texture on top surface of the part.

ACCEPTED?
graphite online logo reversed
scarring
PART QUALITY ISSUE

Scarring/ Debris In Part

DESCRIPTION
Slits/ tears in the sidewall of a part
ACCEPTED?
graphite online logo reversed
power banding
PART QUALITY ISSUE
Power Banding
DESCRIPTION

Horizontal stripes or bands across the surface of the part. These bands are caused by too much power from the laser power as it sinters each layer. Some areas might appear smoother or rougher than others due to high energy input

ACCEPTED?
graphite online logo reversed
power banding
PART QUALITY ISSUE
Orange Peel
DESCRIPTION
Rough, uneven texture with pitted or bumpy appearance
ACCEPTED?
graphite online logo reversed
fragmentation
PART QUALITY ISSUE
Fragmentation
DESCRIPTION

Fragmented lines across top or bottom surfaces of part

ACCEPTED?
graphite online logo reversed
triangulation
PART QUALITY ISSUE
Triangulation
DESCRIPTION

Triangles on the top surface of a part. Can occur when design has curves that are too sharp for the printer’s layer-by-layer process, leading to visible facets.

ACCEPTED?
graphite online logo reversed
laser lines
PART QUALITY ISSUE
Laser Lines
DESCRIPTION
Lines across the top or bottom surfaces of a part
ACCEPTED?
graphite online logo reversed
thin walls
PART QUALITY ISSUE
Thin Walls
DESCRIPTION

Walls on the part that are too thin and break easily. Holes will appear in the part or there will be missing features

ACCEPTED?
graphite online logo reversed
stair stepping
PART QUALITY ISSUE
Stair Stepping
DESCRIPTION

A stepped or jagged look on sloped parts. The design includes angles or slopes that are too sharp for the layer-based printing process.

ACCEPTED?
graphite online logo reversed
warping
PART QUALITY ISSUE
Warping
DESCRIPTION

The part’s edges curl up or bend out of shape.

ACCEPTED?
graphite online logo reversed
thermal bleed
PART QUALITY ISSUE
Thermal Bleed
DESCRIPTION
The material spreads or leaks out because it’s too hot. Hardened white powder that is semi fused to the part
ACCEPTED?
graphite online logo reversed
elephant skin
PART QUALITY ISSUE
Elephant Skin
DESCRIPTION
Irregular groves on any face of the part, usually in patches
ACCEPTED?
graphite online logo reversed
delamination
PART QUALITY ISSUE
Delamination
DESCRIPTION

Layers peel apart or don’t stick together. The design might involve sharp changes in the surface or have thin layers that don’t bond precisely.

ACCEPTED?
graphite online logo reversed