Eureka Knowledge is a free online resource for the discerning design engineer.

Eureka Knowledge aims to provide useful content and tools to help make your designs more efficient, cost-effective and commercially successful.

To provide the best content, Eureka has teamed up with a number of industry experts to explore a range of engineering topics including motors, simulation and bonding & adhesives, which are of integral importance to a vast range of projects and industries.

Mounting: Dampers

Published: 10/18

Should dampers be mounted rod up or rod down?

Insight Podcast: Family Tooling and Multi-Cavity Moulds

Published: 12/21

In this episode, we talk you through some important injection moulding extras that may support your projects: family tooling and multi-cavity moulds.


MJF vs SLS 3D printing – A head-to-head comparison

Published: 12/21

At first glance the relatively new 3D printing technology Multi Jet Fusion (MJF) may appear to be a replacement for selective laser sintering (SLS) after all both build parts from thermoplastic nylon but MJF is faster, more precise and produces more ...

How to Design STL Files for 3D Printing in Your CAD Program

Published: 11/21

We know you have a range of CAD programs and file format options to choose from when designing and sharing your part designs. The STL file, short for stereolithography, is the primary CAD file format that’s used for additive manufacturing (3D ...

Protolabs’ One-stop Guide to Digital Manufacturing

Published: 11/21

​What is Digital Manufacturing? It’s the complete digital integration of automation and advanced technology throughout the manufacturing process – from the moment you upload a 3D CAD model to when we ship your physical parts out the door.

Fine-Tuning Tolerances for CNC Machined Parts

Published: 10/21

Over stringent tolerances may require secondary processes, which drive up costs. Tolerances that are too loose can foul on assembly. Understanding when and when not to use tolerances will optimise your designs: as standardised tolerances can improve ...

Insight Podcast: DMLS Q&A Part 1

Published: 09/21

In this episode we answer your questions on DMLS with Tasos Pantelis, an Application Engineer at Protolabs and our 3D Champion for Europe. See below for a list of questions answered in this session:

Oilfield Services Sector Already Committing To ‘Green’ Energy, According To New Protolabs Report

Published: 09/21

The oilfield services sector is radically restructuring to survive in a world moving towards net-zero carbon emissions, according to a new industry report.

How to create greener parts

Published: 09/21

​Creating more sustainable or greener parts is a complex area that depends on a number of factors which sometime contradict each other. The first step is to understand these different elements and then you need to make a judgement call.