For today’s featured print we are using two filaments that couldn’t be more different: steelFill and colorFabb_HT. For the part we chose makeSEA‘s 3D Printed Brush Motor v2 (link here).


This is a work in progress and we now have printed the parts. Please note that we have not tested this in real life yet. This project will definitely be continued.

These are the parts for an actual working brushless motor, check out Christopher Laimer his video on his first flight using this motor. But it’s also a great model to explain how a brushless motor works and which parts makeup the actual motor.

Both parts were printed on the Ultimaker 2 with a 0.25mm nozzle. The stator was printed with steelFill at 0.16mm layer height. The housing was printed with colorFabb_HT at 0.06mm layer height.

Find out more in our handy tutorials:

One of the aspects of steelFill is that it has magnetic properties. steelFill is the latest in our range of special metal filled filaments, being launched in 2016 after bronzeFill and copperFill (both in 2014) and brassFill (in 2015). You can find some post-processing tips here.

The high steel content of the steelFill material makes this filament quite abrasive to brass nozzles.  Therefore it’s recommended to print with abrasive resistant nozzles.

colorFabb_HT is made with Eastman Amphora™ HT5300 and is a low-odor and styrene-free material uniquely suited for advanced 3D printing users, particularly those who need their models to exhibit excellent durability, toughness and high temperature resistance with a Tg of over 100⁰C. colorFabb_HT empowers professional users to create more durable and useful items, making prototyping truly functional. This opens up new areas in which 3D printed applications can be successfully applied.

colorFabb_HT is uniquely suited for advanced 3D printing users, particular those who need their creations to exhibit excellent durability, toughness and temperature resistance. You can find more information on our dedicated landing page.

Both steelFill and colorFabb_HT are readily available in our webshop. You can also opt for the value packs, where you can buy our materials in bulk at reduced prices.

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