Last year’s LW-PLA has found a steady following in the RC Plane community. We have already posted about our lightweight filament in our blog where we highlighted Eclipson’s Model V plane (click here to go directly to that blog). Over the past few months we have seen more use of LW-PLA by makers of RC planes following Eclipson’s lead.

Below is a short summary of videos we found recently on Youtube. (Updated on June 9th with the two top videos)



Slope soaring by Airfection RC Gliders (Youtube)


By 3DLabPrint (Youtube)


By Coen L (Youtube)

By RC Air Adventures (Youtube)


By ADDIMP 3D (Youtube)


By 3Dlabprint (Youtube)


By Airfection RC Gliders (Youtube)


By Wernersgyro (Youtube)


By Localfiend (Youtube) (more information)

LW-PLA is the first filament of its kind using an active foaming technology to achieve lightweight, low density PLA parts.

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Printing RC planes is not the only application where LW-PLA excels. Other succesfull applications are printing of insoles and cosplay, where the weight of the printed suit can be significantly reduced!


About LW-PLA

At around 230C this material will start foaming, increasing its volume by nearly 3 times. Users can decrease material flow by 65% to achieve lightweight parts, or use the expanding properties to effectively reduce print time by using big layer heights or single extra thick perimeters.


For the filament to expand it is necessary to put a certain amount of energy into the filament. The amount of energy a filament can absorb during printing depends on the length of the hot-zone and the time it takes for the filament to pass through the hot-zone. The longer a filament will reside inside the hot-end, the more energy it can absorb which will increase the amount of expansion.

Assuming nozzle size and layerheight are fixed, our main input variables are Temperature, speed and flow to determine the amount of expansion. Find out more about how to print by checking our LW-PLA print tutorial.

Read more: How to print with LW-PLA


You can also find all relevant information on our dedicated information page.

At colorFabb we have always been active in developing new filaments for FDM/FFF 3D printing, like the first metal filled filament bronzeFill, the one of a kind nGen_LUX and the unique Color on Demand service where customers choose their own colors to print with. LW-PLA is our latest offering in an ever expanding portfolio.


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