DESIGN CLUES FOR 3D PRINTING

DESIGN

FDM

SLS

DMLS

Supported Walls

Walls that are conected to other structures on at least two sides.

1 mm

0.7 mm

0.4 mm

Unsupported Walls

Walls that are connected to the rest of the print on only one side.

1 mm

0.7 mm

1 mm

Support & Overhangs

The maximum angle a wall can be printed out without requiring support.

45°

45°

Embossed & Engraved Details

Features on the model that are raised or recessed below the model surface.

0.6 mm width

2 mm height

0.5 mm width

2 mm height

0.1 mm width

2 mm height

Holes

The minimum diameter a technology can successfully print a hole.

Ø2 mm

Ø1.5 mm

 Ø0.5 mm – 6 mm

Connecting & Moving Parts

The recommended clearance between 2 moving or connecting parts.

0.2 mm

0.5 mm for moving parts

0.2 mm for connections

0.5 mm for moving parts

0.2 mm for connections

Escape Holes

The minimum diameter of escape holes to allow for the removal of build material.

3.5 mm

2 mm

Minimum Features

The recommended minimum size of a feature to ensure it will not fail to print.

2 mm

0.5 mm

0.25 mm

Tolerance

The expected tolerance (dimensional accuracy) of a specific technology.

± 0.2 mm

± 0.2 mm

± 0.1 mm

Pin Diameter

The minimum diameter a pin can be printed at.

3 mm

1 mm

1 mm