ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up

ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up
Illuminating surfaces on 3D printed objects [Source: SolidSmack]

“If you want something to stand out, the best way to do so is to light it up like a Christmas tree.”

Creators Ollie Hanton, Michael Wessely, Stefanie Mueller, Mike Fraser, and Anne Roudaut have taken this idea to heart and crafted a method to add light on any surface using a unique electroluminescent coating.

ProtoSpray combines multi-material 3D printing and the application of electroluminescent materials to create interactive touch-sensitive light displays on any shape.

ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up
3D printing an object with embedded electrical paths [Source: SolidSmack]

The process starts very similarly to how you would normally 3D print an object. During the design process, the base electrode area is printed with a conductive PLA (e.g. Proto-Pasta Conductive PLA), each having a thin channel where an electrode connects while the unlit substrate material is printed in an insulating PLA (e.g. Hatchbox Filament).

ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up
Spraying a 3D print to form an illuminated section [Source: SolidSmack]

Once you’ve printed your multi-material model, you begin spraying the area that will be lit with three layers of electro-activating materials.

  • Dielectric material layer
  • Electroluminescent material layer
  • Transparent conductive electrode material layer
ProtoSpray Mixes 3D Printing And Electroluminescent Paint To Create Objects That Light Up
Wiring up a 3D printed objects for illumination [Source: SolidSmack]

According to Ollie Hanton’s tutorial, spray two thin coats each of PEDOT:PSS (a transparent conductive polymer), electroluminescent phosphor-based paint, and clear lacquer; making sure to give each layer ample time to dry before moving on to the next.


Read the rest at SolidSmack

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