Innoseal Sinterit Lisa X Prototyping Case Study
Last Updated: May 16, 2026
Reading Time: 6 Minutes
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Innoseal designs and makes tape-and-paper closure systems for packaging lines. The flagship product is the bag seal on most bakery bread loaves. Designing the mechanical parts behind these closures takes fast, repeatable prototyping. The parts need to survive functional testing well before any injection mould is cut.
The prototyping problem at Innoseal
Innoseal started with desktop FDM 3D printing. FDM gave the team early-stage parts. But the quality fell short for functional testing or any small batch production. Layer lines, support scars, and uneven mechanical strength made the parts unreliable.
The team then tried outsourcing 3D prints. Sinterit reports this is a common second step for European SMEs in product design. It usually creates two new problems. Innoseal hit both. Lead times varied between suppliers. And sending designs to third parties raised IP risk.
Locking in early on injection moulds was the other option. It tied Innoseal to costly tooling before market demand was clear. Engineering needed an in-house route to functional-grade parts with less upfront risk.
Why Innoseal chose Sinterit Lisa X
The team evaluated several affordable SLS systems. They chose the Sinterit Lisa X. Open material support and the breadth of Sinterit’s communication were the deciders.
“We have looked at other 3D printing methods, and other brands, but ultimately decided on SLS and chose Sinterit for their communication, and open material possibility. Something we couldn’t find in other suppliers of affordable entry level SLS printers,” recalls Daniel Aarts, Technical Director at Innoseal Europe.
A site visit to Sinterit’s factory in Poland confirmed the call.
“Seeing the production firsthand and speaking with the team gave us confidence in both the product and the people behind it.”
What Innoseal prints on Lisa X
Today the Lisa X handles small functional parts in PA-11 CF, a carbon-fibre-reinforced nylon. The team runs two to three builds per month. Batch sizes range from 10 to 50 parts. The printer covers both prototype iteration and the small batch production runs leading into injection moulding.
Typical parts include pusher blocks, one-way locks, tape wheels, tape roll holders, paper guide blocks, pulleys, and the paper-clamping mechanism behind the bag closure’s self-release behaviour. Many have small holes, internal chambers, and assembly-critical geometry.
The full Sinterit ecosystem supports the production flow. The Multi-Function Powder Handling Station and the Sandblaster for SLS handle post-processing. Powder stays contained and parts finish to a consistent surface.
“For CF Nylon, which is inherently rough, we are very satisfied with the surface quality,” Aarts notes.
Measurable impact: 18 weeks saved in a year
The numbers Innoseal reports from in-house SLS prototyping are concrete:
3 to 5 days saved per design revision
Roughly 18 weeks of cumulative time saved across one year
Less rework on new injection moulds, since parts are validated before tooling is cut
More aggressive experimentation, since spare build volume costs nothing extra
“It might not sound like much, but over multiple revisions, it adds up to significant time savings. If we had to wait on outsourced milling or lathing for each change, we would have lost more than 18 weeks over the past year,” Aarts explains.
The shift also changed how the team thinks about ideas worth testing.
“We can now try ‘wild’ ideas that we wouldn’t have considered before because of financial constraints. If there’s room left in a build volume and it’s under the refresh rate, why not print and try?”
The hidden win: walk-away reliability
Aarts highlights one feature missing from any spec sheet. The Lisa X runs unattended with a high first-try success rate.
“No waiting at the build plate to see if the first layers stick. No ruined 48-hour prints. That alone saves us countless hours and frustration.”
In a video interview with Sinterit, Aarts rated the printer nine out of ten on day-to-day use. He cited carefree handling and the freedom to spend engineering time on design rather than watching prints.
What Australian R&D teams take from this
Innoseal’s path mirrors the route many Australian R&D teams walk now. FDM proves the concept. Outsourcing exposes lead time and IP risk. An in-house SLS printer is the answer.
The Lisa X sits in the AUD 37,734.99 procurement bracket. The price puts industrial-grade SLS 3D printing inside the budget of an SME engineering team, not only large manufacturers.
For teams weighing the Lisa X against the smaller Sinterit Suzy, our Suzy vs Lisa X comparison sets out the trade-offs. The BNP Sinterit Lisa X case study covers the parallel switch from FDM for functional production parts. Our guide on how to manufacture with SLS walks through the production workflow end-to-end.
Frequently asked questions
What is SLS prototyping?
SLS prototyping uses selective laser sintering to produce functional prototype parts. A laser fuses fine polymer powder layer by layer. The unsintered powder supports the part as it builds. SLS prototypes are stronger and more dimensionally accurate than FDM equivalents, so they suit functional testing rather than visual mock-ups. Background sits in our guide on what is selective laser sintering and how it works.
Why did Innoseal move from FDM to SLS prototyping?
FDM parts were not strong enough for Innoseal’s functional tests. Outsourced 3D printing brought uneven lead times and IP risk. SLS prototyping on the Lisa X solved both. In-house printing cut the supplier link, and PA-11 CF parts held up under load.
What does Innoseal print on the Sinterit Lisa X?
Innoseal prints functional parts for its tape and bag-closure machines. The list includes pusher blocks, one-way locks, tape wheels, tape roll holders, paper guides, and paper-clamping parts. Most builds run in PA-11 CF, in batches of 10 to 50 parts and two to three builds per month.
How much time does SLS prototyping save Innoseal?
Innoseal saves 3 to 5 days per design revision and roughly 18 weeks across a typical year. The reference point is outsourced milling or lathing for the same change. The savings compound over the multiple revision cycles a single product goes through.
Is the Sinterit Lisa X reliable for unattended printing?
Yes. Daniel Aarts at Innoseal cites near-100 percent first-try success as one of the biggest day-to-day differences from FDM. He rates the printer nine out of ten on day-to-day operation, with reliability and carefree handling as the standout features.
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Sinterit Sinterit Lisa X 3D Printer
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