PostPro® Vapor Smoothing Powers Sustainable, Scalable Footwear Production

3D-Printed Footwear and PostPro Vapor Smoothing

A case study by Yale’s Center for Business and the Environment—alongside HILOS, AMT, and BASF Forward AM—highlights how PostPro® vapor smoothing technology was pivotal in revolutionizing 3D-printed footwear production.

Focusing on the HILOS x HELM Emmett slip-on, made using TPU and on-demand 3D printing, the study compares this innovative process to traditional shoemaking.

PostPro®: The Key Enabler

PostPro vapor smoothing played a central role by:

• Automating Surface Finishing: Delivered smooth, sealed, consumer-ready finishes without manual labor.
• Improving Part Quality: Enhanced comfort, flexibility, and abrasion resistance of 3D-printed TPU parts.
• Streamlining Assembly: Enabled a reduction from 360 steps to just 12, and 65 parts to 5.
• Supporting On-Demand Manufacturing: Enabled single-part production with minimal post-processing, reducing lead times and waste.
• Ensuring Scalability: Provided consistent surface quality across batches, ideal for launching new designs quickly.

Impact Snapshot 48%

• lower CO₂ emissions per pair
• 99% less water usage
• >98% material recaptured, with up to 80% reused
• 7.25% emissions reduction from recyclability, with future gains expected

Download now and discover PostPro® vapor smoothing –the foundation of a new, sustainable footwear production model, combining performance, scalability, and circularity.