# Latest **URL:** https://amtpostpro.discourse.group/latest.md [Latest](https://amtpostpro.discourse.group/latest.md) · [Categories](https://amtpostpro.discourse.group/categories.md) · [Tags](https://amtpostpro.discourse.group/tags.md) --- ## [Welcome to the PostPro vapor smoothing community](https://amtpostpro.discourse.group/t/welcome-to-the-postpro-vapor-smoothing-community/34)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/welcome-to-the-postpro-vapor-smoothing-community/34 "2026-10-07T11:25:31Z")
This is the community for people who vapor smooth 3D printed parts with AMT PostPro systems, and for anyone who is thinking about it. The AMT team runs it, and everyone is welcome. What this place is for Tips & tricks. … --- ## [Try the PostPro software in your browser (simulated demo)](https://amtpostpro.discourse.group/t/try-the-postpro-software-in-your-browser-simulated-demo/79)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:38am UTC](https://amtpostpro.discourse.group/t/try-the-postpro-software-in-your-browser-simulated-demo/79 "2026-10-07T11:38:32Z")
You can now try the PostPro SF touchscreen without a machine. The software page has an interactive, simulated demo of the SF software, where you can run a cycle from start to finish. It is a simulated demo. The values a… --- ## [How AMT uses AI in vapor smoothing](https://amtpostpro.discourse.group/t/how-amt-uses-ai-in-vapor-smoothing/78)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:38am UTC](https://amtpostpro.discourse.group/t/how-amt-uses-ai-in-vapor-smoothing/78 "2026-10-07T11:38:31Z")
We get asked what “AI” means for a vapor smoothing machine. Here is AMT’s statement: Powered by a decade of processing parts and more than 10 million process data points, AMT has developed its own proprietary algorithm… --- ## [What would make this community more useful to you?](https://amtpostpro.discourse.group/t/what-would-make-this-community-more-useful-to-you/77)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/what-would-make-this-community-more-useful-to-you/77 "2026-10-07T11:26:15Z")
We built this forum for people who vapor smooth parts, and we would like you to shape it. Tell us Guides. Which topics should we write about next? Categories. Is anything missing? Is anything in the wrong place? Events… --- ## [Test your parts: AMT's free benchmark program](https://amtpostpro.discourse.group/t/test-your-parts-amts-free-benchmark-program/76)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/test-your-parts-amts-free-benchmark-program/76 "2026-10-07T11:26:15Z")
Not sure how your parts will look after vapor smoothing? Send them to us. No cost to evaluate. Parts returned. Typical turnaround 2–3 weeks. Prepaid shipping label. Start a benchmark. Get the most from a benchmark S… --- ## [The PostPro community is open](https://amtpostpro.discourse.group/t/the-postpro-community-is-open/75)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/the-postpro-community-is-open/75 "2026-10-07T11:26:15Z")
Today we are opening the AMT PostPro Community, a forum for everyone who vapor smooths 3D printed parts, or wants to. PostPro systems are installed in 40 countries, and the people running them have learned a great deal … --- ## [FABULOUS and AMT: food-contact validation for DETECT PA11 with PostPro Pure](https://amtpostpro.discourse.group/t/fabulous-and-amt-food-contact-validation-for-detect-pa11-with-postpro-pure/74)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/fabulous-and-amt-food-contact-validation-for-detect-pa11-with-postpro-pure/74 "2026-10-07T11:26:14Z")
Published by AMT, April 2026. Read the news story. FABULOUS and AMT validated food-contact compliance for 3D printed parts in FABULOUS DETECT PA11, vapor smoothed with PostPro Pure. An accredited independent lab tested … --- ## [Case study: Intelligent Energy, hydrogen UAV casings smoothed on a PostPro SF100](https://amtpostpro.discourse.group/t/case-study-intelligent-energy-hydrogen-uav-casings-smoothed-on-a-postpro-sf100/73)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-intelligent-energy-hydrogen-uav-casings-smoothed-on-a-postpro-sf100/73 "2026-10-07T11:26:13Z")
Published by AMT, January 2026. Read the full case study. Intelligent Energy, working with Graphite AM, makes lightweight 3D printed casings for hydrogen-powered UAVs. The casings were vapor smoothed on a PostPro SF100.… --- ## [Case study: Protolabs, flame-retardant parts with UL94 V-0 compliance](https://amtpostpro.discourse.group/t/case-study-protolabs-flame-retardant-parts-with-ul94-v-0-compliance/72)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-protolabs-flame-retardant-parts-with-ul94-v-0-compliance/72 "2026-10-07T11:26:13Z")
Published by AMT, June 2026. Read the full case study. Protolabs produces flame-retardant parts in HP 3D HR PA 12 FR on HP MJF and vapor smooths them. The case study reports improved surface quality, reduced surface por… --- ## [Case study: Norden replaces a machined assembly with one smoothed part](https://amtpostpro.discourse.group/t/case-study-norden-replaces-a-machined-assembly-with-one-smoothed-part/71)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-norden-replaces-a-machined-assembly-with-one-smoothed-part/71 "2026-10-07T11:26:12Z")
Published by AMT, November 2025. Read the full case study. Norden replaced a multi-component, machined assembly in its production machinery with a single HP MJF part with internal vacuum channels, vapor smoothed. The ca… --- ## [Customer spotlight: ZiggZagg on tailoring gloss, friction and sealing](https://amtpostpro.discourse.group/t/customer-spotlight-ziggzagg-on-tailoring-gloss-friction-and-sealing/70)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/customer-spotlight-ziggzagg-on-tailoring-gloss-friction-and-sealing/70 "2026-10-07T11:26:12Z")
From AMT’s consumer industry page. ZiggZagg’s CEO, Stijn Paridaens, describes what vapor smoothing does for their products: AMT’s vapor smoothing machine has not only elevated the visual appeal of our products but als… --- ## [Case study: ABConcept rally parts through the Rallye du Maroc](https://amtpostpro.discourse.group/t/case-study-abconcept-rally-parts-through-the-rallye-du-maroc/69)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-abconcept-rally-parts-through-the-rallye-du-maroc/69 "2026-10-07T11:26:12Z")
Published by AMT, December 2025. Read the full case study. ABConcept ran over 100 vapor smoothed HP MJF PA12 components through more than 2,450 km of the Rallye du Maroc. The case study looks at how vapor smoothing help… --- ## [Case study: GM spoiler closeout seals, 60,000 vapor smoothed TPU parts](https://amtpostpro.discourse.group/t/case-study-gm-spoiler-closeout-seals-60-000-vapor-smoothed-tpu-parts/68)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-gm-spoiler-closeout-seals-60-000-vapor-smoothed-tpu-parts/68 "2026-10-07T11:26:11Z")
Published by AMT, January 2023. Read the full case study. For its 2022 full-size SUVs, GM needed 60,000 spoiler closeout seals, and needed them quickly or risk delaying 30,000 vehicles. The parts were printed on HP MJF … --- ## [Case study: Point Designs, partial hand prostheses smoothed on a PostPro SFX](https://amtpostpro.discourse.group/t/case-study-point-designs-partial-hand-prostheses-smoothed-on-a-postpro-sfx/67)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/case-study-point-designs-partial-hand-prostheses-smoothed-on-a-postpro-sfx/67 "2026-10-07T11:26:11Z")
Published by AMT, July 2026. Read the full case study. Point Designs designs 3D printed partial hand prostheses, printed on HP MJF and vapor smoothed on a PostPro SFX. The case study’s title sums up the goal: prostheses… --- ## [Show us your parts: how to share a great before and after](https://amtpostpro.discourse.group/t/show-us-your-parts-how-to-share-a-great-before-and-after/66)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/show-us-your-parts-how-to-share-a-great-before-and-after/66 "2026-10-07T11:26:11Z")
This category is for your vapor smoothed parts. A good before and after helps everyone learn, and a little care makes the difference visible. Photo tips Same part, same angle, same light. Shoot the as-printed part and … --- ## [AMT gallery: before and after vapor smoothing](https://amtpostpro.discourse.group/t/amt-gallery-before-and-after-vapor-smoothing/65)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/amt-gallery-before-and-after-vapor-smoothing/65 "2026-10-07T11:26:10Z")
To get this category started, here are four pairs from AMT’s own published images. Each pair shows the same part as printed (left) and after PostPro vapor smoothing (right). Lattice bicycle saddle, MJF TPU Shown … --- ## [Automated loading for the SF100: what DMS does](https://amtpostpro.discourse.group/t/automated-loading-for-the-sf100-what-dms-does/64)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/automated-loading-for-the-sf100-what-dms-does/64 "2026-10-07T11:26:04Z")
The PostPro Digital Manufacturing System (DMS) is AMT’s modular automated loading system for PostPro SF100 systems. Here is what AMT publishes about it. What it does Loads and unloads PostPro SF100 systems automaticall… --- ## [Getting the most from your PostPro SF100](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf100/63)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf100/63 "2026-10-07T11:26:04Z")
The PostPro SF100 is built for production environments and high-volume throughput. AMT describes it as a patented chemical vapor smoothing solution for post-processing thermoplastic polymer 3D printed parts. The publish… --- ## [Getting the most from your PostPro SF50](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf50/62)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf50/62 "2026-10-07T11:26:03Z")
The PostPro SF50 delivers end-use parts for low-volume production. It is the same machine as the SF100 with a more compact chamber; see SF50 or SF100? The same machine with two chamber sizes. The published specs Po… --- ## [Getting the most from your PostPro SF2X](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf2x/61)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sf2x/61 "2026-10-07T11:26:02Z")
The PostPro SF2X builds on the SFX with double the chamber capacity, for people who smooth larger volumes on a desktop-format system. What AMT publishes Chamber: double the chamber capacity of the SFX. For exact dimens… --- ## [Getting the most from your PostPro SFX](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sfx/60)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/getting-the-most-from-your-postpro-sfx/60 "2026-10-07T11:26:01Z")
The PostPro SFX is AMT’s desktop vapor smoothing system, sized for R&D and low-volume production. This topic collects what AMT publishes about it, and is the place for SFX owners to swap tips. The published specs P… --- ## [SF50 or SF100? The same machine with two chamber sizes](https://amtpostpro.discourse.group/t/sf50-or-sf100-the-same-machine-with-two-chamber-sizes/59)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/sf50-or-sf100-the-same-machine-with-two-chamber-sizes/59 "2026-10-07T11:26:01Z")
We get this question a lot. The short answer: the PostPro SF50 and SF100 are the same machine. The difference is the chamber. The SF50 page describes it as having the same benefits as the SF100, with a more compact proce… --- ## [Beyond PA and TPU: composites, FDM parts and machined plastics](https://amtpostpro.discourse.group/t/beyond-pa-and-tpu-composites-fdm-parts-and-machined-plastics/58)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:26am UTC](https://amtpostpro.discourse.group/t/beyond-pa-and-tpu-composites-fdm-parts-and-machined-plastics/58 "2026-10-07T11:26:01Z")
Vapor smoothing goes well beyond powder bed nylon. AMT’s consumables page lists a much wider set of materials. Here is what is published beyond PA11, PA12, TPU and PP. With FA326 (SF50 and SF100) Rigid plastics: PA6, A… --- ## [Vapor smoothing polypropylene: the FA9202 consumable](https://amtpostpro.discourse.group/t/vapor-smoothing-polypropylene-the-fa9202-consumable/57)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/vapor-smoothing-polypropylene-the-fa9202-consumable/57 "2026-10-07T11:25:50Z")
Polypropylene does not smooth with the same consumable as the polyamides. As AMT’s product pages put it, “polypropylene is smoothed with a dedicated consumable”. That consumable is FA9202. What AMT publishes for FA9202 … --- ## [Vapor smoothing TPU and other elastomers: what AMT has published](https://amtpostpro.discourse.group/t/vapor-smoothing-tpu-and-other-elastomers-what-amt-has-published/56)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/vapor-smoothing-tpu-and-other-elastomers-what-amt-has-published/56 "2026-10-07T11:25:49Z")
Flexible parts make some of the most striking vapor smoothing examples: lattices, seals, grips and wearables. Compatibility TPU is listed as compatible on all four PostPro systems (SFX, SF2X, SF50 and SF100). PostPro P… --- ## [Vapor smoothing PA11: what AMT has published](https://amtpostpro.discourse.group/t/vapor-smoothing-pa11-what-amt-has-published/55)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/vapor-smoothing-pa11-what-amt-has-published/55 "2026-10-07T11:25:49Z")
PA11 is listed as compatible on all four PostPro systems (SFX, SF2X, SF50 and SF100), with PostPro Pure and with FA326. A published food-contact result In April 2026, FABULOUS and AMT announced a food-contact validation… --- ## [Vapor smoothing PA12: what AMT has published](https://amtpostpro.discourse.group/t/vapor-smoothing-pa12-what-amt-has-published/54)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/vapor-smoothing-pa12-what-amt-has-published/54 "2026-10-07T11:25:49Z")
PA12 is one of the most widely printed powder bed materials. It is listed as compatible on all four PostPro systems (SFX, SF2X, SF50 and SF100), with PostPro Pure and with FA326. Published results on PA12 Material a… --- ## [PostPro Pure, FA326 or FA9202: which consumable for which material?](https://amtpostpro.discourse.group/t/postpro-pure-fa326-or-fa9202-which-consumable-for-which-material/53)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/postpro-pure-fa326-or-fa9202-which-consumable-for-which-material/53 "2026-10-07T11:25:48Z")
AMT makes three vapor smoothing consumables. Which one you use decides which materials you can run, and on which machines. This summary follows AMT’s consumables page. PostPro Pure (FA5802) FA326 FA9202 Rigid p… --- ## [How do you check smoothed parts? Share your QA routine](https://amtpostpro.discourse.group/t/how-do-you-check-smoothed-parts-share-your-qa-routine/52)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/how-do-you-check-smoothed-parts-share-your-qa-routine/52 "2026-10-07T11:25:48Z")
Every shop checks smoothed parts a little differently. Some measure surface roughness; some check dimensions; most look at every part under a light. The measures AMT reports Surface roughness. For BASF Ultrasint TPU01 … --- ## [What "sealed" means: water resistance and porosity](https://amtpostpro.discourse.group/t/what-sealed-means-water-resistance-and-porosity/51)
**Author:** [@amtpostpro](https://amtpostpro.discourse.group/u/amtpostpro)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 11:25am UTC](https://amtpostpro.discourse.group/t/what-sealed-means-water-resistance-and-porosity/51 "2026-10-07T11:25:47Z")
“Sealed” is the word you will see most often next to vapor smoothing. Here is what AMT has published about it. The surface A printed powder bed part has an open, porous skin. During smoothing the vapor condenses on that… [Next page](https://amtpostpro.discourse.group/latest.md?page=1)