Engineering Insights

SLS 3D printing knowledge for engineering decisions

Practical articles on SLS materials, part design, functional prototypes, short-run production, and post-processing from the TPM3D engineering team.

Material selection

Compare PA12, PA11, PA12GB, surface finish, and application tradeoffs before quoting.

Design for SLS

Wall thickness, snap fits, inserts, holes, tolerances, and common failure prevention.

Production decisions

When SLS beats CNC, SLA, MJF, or low-volume molding for functional nylon parts.

Article Library

Guides by engineering use case

Use these guides before RFQ submission to reduce revision cycles and make material, process, and finishing choices clearer.

How to Read an SLS Material TDS for Printed Parts
MaterialsSeptember 7, 2026

How to Read an SLS Material TDS for Printed Parts

Learn how to read an SLS material TDS by checking grade identity, specimen condition, print process, test method and evidence limits before selecting a powder.

8 min readRead
SLS Functional Part Testing: Coupon-to-Assembly Plan
TechnologySeptember 5, 2026

SLS Functional Part Testing: Coupon-to-Assembly Plan

Build an SLS functional-part test plan that links coupons, representative features, finished parts and assemblies to written acceptance criteria.

9 min readRead
SLS Lattice Footwear: DFM and Validation Guide
IndustrySeptember 2, 2026

SLS Lattice Footwear: DFM and Validation Guide

Plan SLS lattice footwear prototypes by defining the test objective, exact material, geometry controls, finishing, inspection and representative validation.

9 min readRead
SLS Automotive Nylon Parts: DFM & Validation Guide
IndustryAugust 31, 2026

SLS Automotive Nylon Parts: DFM & Validation Guide

Evaluate SLS automotive nylon parts by application requirements, exact material grade, controlled interfaces, inspection and representative validation.

9 min readRead
SLS Post-Processing and Inspection Checklist
TechnologyAugust 29, 2026

SLS Post-Processing and Inspection Checklist

A practical checklist for choosing SLS post-processing, defining inspection requirements, and preparing an RFQ for functional nylon parts.

7 min readRead
SLS End-Use Nylon Parts: Qualification Checklist
TechnologyAugust 27, 2026

SLS End-Use Nylon Parts: Qualification Checklist

Qualify SLS nylon parts for end use by defining requirements, selecting an exact grade, controlling production, inspecting critical features and validating the assembled part.

9 min readRead
SLS 3D Printing for Robot Grippers and EOAT
RoboticsAugust 25, 2026

SLS 3D Printing for Robot Grippers and EOAT

Evaluate SLS for robot grippers and end-of-arm tooling by load case, interfaces, environment, material evidence, inspection and validation.

9 min readRead
SLS 3D Printing for Orthotics and Prosthetics
IndustryJuly 23, 2026

SLS 3D Printing for Orthotics and Prosthetics

Explore how SLS 3D printing supports custom orthotics and prosthetics with digital workflows, lightweight geometry, PA11 materials, and scalable production.

8 min readRead
How Cirp Expanded Small-Series Automotive Production with Industrial SLS
IndustryJuly 23, 2026

How Cirp Expanded Small-Series Automotive Production with Industrial SLS

See how German additive manufacturing specialist Cirp expanded small-series automotive production with industrial SLS, PA11 materials, and controlled powder management.

7 min readRead
How to Reduce SLS 3D Printing Costs
TechnologyJuly 11, 2026

How to Reduce SLS 3D Printing Costs

Reduce SLS 3D printing costs with practical design changes for hollowing, powder escape, nesting, assembly consolidation, and batch production.

7 min readRead
When to Use Threaded Inserts in SLS Parts
Design GuidelinesMay 28, 2026

When to Use Threaded Inserts in SLS Parts

Learn when threaded inserts make more sense than printed threads in SLS nylon parts, especially for repeated assembly, service access, torque retention, and customer-facing products.

7 min readRead
How to Prepare a Better RFQ for SLS 3D Printing
TechnologyMay 28, 2026

How to Prepare a Better RFQ for SLS 3D Printing

Practical RFQ guide for SLS 3D printing covering files, critical features, material priorities, finishing notes, and quantity planning.

6 min readRead
SLS vs. CNC Machining for Functional Prototypes
TechnologyMay 8, 2026

SLS vs. CNC Machining for Functional Prototypes

Compare SLS and CNC machining for functional prototypes by lead time, geometry freedom, material realism, and low-volume decision-making.

7 min readRead
PA12GB vs. PA12 for Structural SLS Parts
MaterialsMay 8, 2026

PA12GB vs. PA12 for Structural SLS Parts

Compare PA12GB and PA12 for structural SLS parts by stiffness, dimensional stability, feature behavior, assembly loads, and best-fit industrial applications.

7 min readRead
Designing Cable Clips and Routing Features for SLS Parts
Design GuidelinesMay 8, 2026

Designing Cable Clips and Routing Features for SLS Parts

Design better cable clips, retention tabs, and routing paths for SLS nylon parts by controlling flexibility, edge treatment, assembly access, and service behavior.

7 min readRead
Common Reasons SLS Parts Fail in Testing and How to Prevent Them
TechnologyMay 8, 2026

Common Reasons SLS Parts Fail in Testing and How to Prevent Them

Learn the most common reasons SLS nylon parts fail in testing and how to prevent those issues through better design, material selection, and assembly planning.

7 min readRead
Best SLS Material for Snap-Fit Parts: PA12, PA11, or Reinforced Nylon?
MaterialsMay 8, 2026

Best SLS Material for Snap-Fit Parts: PA12, PA11, or Reinforced Nylon?

Choose the best SLS material for snap-fit parts by comparing PA12, PA11, and glass-filled nylon through real flexible-feature behavior, assembly loads, and repeated-use requirements.

8 min readRead
SLS vs. MJF 3D Printing: Understanding the Differences
TechnologyApril 15, 2026

SLS vs. MJF 3D Printing: Understanding the Differences

Compare Selective Laser Sintering (SLS) and Multi Jet Fusion (MJF) to determine which powder-bed 3D printing technology is best for your manufacturing needs.

6 min readRead
Lightweighting Drones and UAVs with SLS 3D Printing
IndustryApril 15, 2026

Lightweighting Drones and UAVs with SLS 3D Printing

Explore how drone manufacturers use SLS 3D printing to reduce weight, consolidate parts, and rapidly iterate aerodynamic designs.

6 min readRead
Designing Living Hinges for SLS 3D Printing: Material, Geometry, and DFM Rules
TechnologyApril 15, 2026

Designing Living Hinges for SLS 3D Printing: Material, Geometry, and DFM Rules

A practical engineering guide to designing durable living hinges with SLS 3D printing, including PA11 material choice, hinge thickness, print orientation, radii, testing, and RFQ notes.

8 min readRead
How to Design Snap-Fits for SLS 3D Printing: Engineering Guide
TechnologyApril 10, 2026

How to Design Snap-Fits for SLS 3D Printing: Engineering Guide

Step-by-step guide to designing reliable snap-fit joints for SLS 3D printed parts. Learn cantilever design, deflection limits, material selection (PA12/PA11), and assembly optimization.

6 min readRead
SLS Sustainability: Evidence and LCA Checklist
IndustryApril 9, 2026

SLS Sustainability: Evidence and LCA Checklist

Evaluate SLS environmental impact with a defined life-cycle boundary, measured material and energy inputs, powder records, logistics and comparable alternatives.

8 min readRead
SLS vs SLA 3D Printing: Complete Technology Comparison Guide
TechnologyMarch 15, 2025

SLS vs SLA 3D Printing: Complete Technology Comparison Guide

Comprehensive comparison of SLS vs SLA 3D printing technologies. Learn material differences, accuracy, cost analysis, surface finish, mechanical properties, and ideal use cases for each.

8 min readRead
PA12 vs PA11 for SLS: Selection Guide and Evidence Checklist
MaterialsFebruary 20, 2025

PA12 vs PA11 for SLS: Selection Guide and Evidence Checklist

Compare SLS PA12 and PA11 by grade, load case, environment, finish, and validation evidence. Use this guide to shortlist a material without treating family-level claims as guaranteed printed-part performance.

8 min readRead
SLS Design Guidelines: Evidence-Based DFM Checklist
Design GuideJanuary 10, 2025

SLS Design Guidelines: Evidence-Based DFM Checklist

Review SLS walls, features, holes, powder removal, interfaces, orientation, finish and files without treating universal dimensions as production guarantees.

9 min readRead

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