Design Guidelines: Selective Laser Sintering

Our basic guidelines for selective laser sintering include important design considerations to help improve part manufacturability, enhance cosmetic appearance, and reduce overall production time.

We offer a number of secondary services to further enhance your 3D-printed project design or finish. These services are available when ordering a part manufactured by Protolabs.


Size

Maximum Dimensions

PA 12 White 676mm x 367mm x 564mm
PA 11 Black 269mm x 320mm x 406mm
PA 12 40% Glass Filled 269mm x 320mm x 406mm
PA 12 Carbon Filled 490mm x 490mm x 740mm

*PA 11 Black - Suggested maximum dimensions: 200mm x 200mm x 200mm (higher dimensions may increase warping and dimensional inaccuracy risk)

 

applications engineers working on CAD model

Design Feedback
For additional questions, please contact an applications engineer at
[email protected] or +44 (0) 1952 683047.


Accuracy

Layer Thickness 0.1mm
Minimum Feature Size 0.75mm

Typically, expected tolerances on well-designed parts are +/-0.2mm, plus +0.002mm/mm 

Minimum free-standing wall or feature for the PA12 40% Glass Filled material is 1.00 mm.

a 3D printing technician bead blasts a nylon SLS part

Materials


Surface Finishes

STANDARD Bead blast to remove all powder, which leaves a consistent overall texture.
CUSTOM
Secondary options include a primer or dye colour that can be applied as well as taps and inserts.

 

a 3D printing technician bead blasts a nylon SLS part

Equipment

Our SLS equipment includes sPro140 machines, which have a large sintering build volume, and feature fully digital high-speed scanning systems, unparalleled process consistency, and closed systems for powder blending and delivery for reliable part quality. We also use SPro 60 machines, which allow for multiple materials and high throughput.

an applications engineer examines a bed of nylon powder for selective laser sintering

applications engineers discuss 3D printing CAD model

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