Learn

Learn vapor smoothing.

Explainers, comparisons and data on vapor smoothing and the finishing of 3D printed and machined plastic parts, written by AMT: The originals of automated vapor smoothing1. Start with what vapor smoothing is, or go straight to your printer or material.

Test your parts, free What is vapor smoothing?

No cost to evaluate · Parts returned · Typical turnaround 2–3 weeks2

The PostPro vapor smoothing cycle A closed loop with four stations: conditioning, processing, curing and drying, run as one automated cycle. Process · one automated cycle Schematic 01 02 03 04 Conditioning Processing Curing Drying Vapor in surface reflows part comes out sealed
DiagramThe four stages of a PostPro cycle.3 Schematic.

Start here

The basics, explained.

What the process is, how it compares, and the words around it.

By printing process

Vapor smoothing on your printer.

What vapor smoothing does on each printing process, with the published results and materials for it.

  • HPPowder bed

    MJF

    Multi Jet Fusion parts in PA12, PA11, TPU and PP.

  • LaserPowder bed

    SLS

    Selective laser sintered nylon and PP.

  • InfraredPowder bed

    SAF and HSS

    Selective Absorption Fusion and High Speed Sintering.

  • ExtrusionIndustrial

    FDM

    ULTEM, Onyx and the FA326 plastics.

By material

Vapor smoothing your material.

Results, agents and case studies for each material.

  • Nylon

    PA12

    Dimensional, strength and sealing results.

  • Nylon

    PA11

    Food-contact validation on DETECT PA11.

  • Elastomers

    TPU and TPE

    Ultrasint TPU01 roughness and the GM seals.

  • Polyolefin

    Polypropylene

    The dedicated FA9202 agent.

  • Machined

    Machined plastics

    Vapor polishing PC, PMMA, ABS, PSU, PEI and nylon.

  • All

    Compatibility guide

    Every material by process and finishing agent.

Proof and data

The evidence behind it.

Customer stories, technical whitepapers and the documents that back every number on this site.

  • Customers

    Case studies

    Published stories from production users of PostPro vapor smoothing.

  • Data

    Whitepapers

    Test results by material and printer, with methods.

  • Community

    Ask the community

    Questions and tips from people who run PostPro systems.

Next step

See the price. Run the numbers. Hold the part.

List prices are public and the cost-per-part math is yours to check, with no email needed for either. The free benchmark puts your own parts, vapor smoothed, in your hands.

  1. 01Quote

    Build your quote

    Pick a system and its options and get an itemized total on screen, from AMT’s published list prices.

    Build your quote

  2. 02ROI

    Calculate your ROI

    Compare your cost per part with manual finishing, using your own labor rate and volumes. Every assumption is editable.

    Calculate ROI

  3. 03Benchmark

    Test your parts, free

    Ship us your parts with a prepaid label. We vapor smooth them and send them back with before-and-after photos and a benchmark report.

    Test your parts, free

    No cost to evaluate · Parts returned · Typical turnaround 2–3 weeks2

Prices: AMT list prices, excluding tax and shipping; confirmed in your formal quote.

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