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How to expedite research and development of new products?

print, test and modify over 20 designs in 3 weeks
50% savings on one part by using Lisa PRO
0.6mm – the thinnest wall measurement at the corners


Nabson’s largest business operation is manufacturing ground power cable assemblies and connectors for the commercial and defense aviation industry.

In early 2019, Nabson purchased a dual-head FDM 3D printer to expedite research and development of new products and the development of one of its product lines.

Based on the success of the FDM printer, in late 2019, Nabson looked to expand their 3D printing capability with an SLS printer that could produce small run parts and prototypes with better accuracy. After conducting extensive market research they selected the Lisa PRO to balance cost and capabilities. Sean Higgins, the manager of Organizational Effectiveness, explained how the LISA PRO has helped the business in 2020.


To increase safety in a specific product line Nabson was asked to install a series of thermal switches that shut down power to the aircraft if the connector overheats.

There were two issues that they had to resolve:

– The amount of free space in the rubber over-molded connector is severely limited;
– The thermal switches had to be encased in epoxy to protect them from the pressure exerted on the switches during the rubber injection process.

They tasked their Engineer, to work with their assembly team and develop a housing unit that when filled with epoxy, would protect the thermal switch during the injection process and allow sufficient heat transfer to the switch itself.


“In a three-week period, we were able to print, test, and modify over 20 designs.”

Because of the part size, they decided to use the Lisa PRO and manufacture the part in-house as outsourcing costs were estimated at $2.28 per sleeve in quantities of 1000. Although they do not have an exact cost, they estimated that they are saving almost 50% per sleeve and have the option to modify the design (which they have done twice) since October.

The Lisa PRO provided the accuracy we required, over an FDM, as the thinnest wall measurement at the corners was 0.6mm. The workflow allowed us to print three to four designs overnight, fill them with epoxy, and test for results the same day.

“In order to keep up with our production demand, we have been operating the Lisa PRO almost 7 days a week for the past couple of months, without incident, and produced over 1500 sleeves.”

Visit our customer’s website: https://nabson.com/

Sean Higgins, Manager Organizational Effectiveness, Nabson
Aerospace / Automotive / Traction, Electronics
End-Use Part, Prototyping
Exposed to Electricity, Exposed to temperature, Enclosures
Top reasons:
Accuracy, Reactivity, Durability, Low Operating Cost

print, test and modify over 20 designs in 3 weeks
50% savings on one part by using Lisa PRO
0.6mm – the thinnest wall measurement at the corners

Equipment used by Nabson : Sinterit LISA PRO 3D Printer
Atex/Intertek Vacuum
Material used: PA12

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