The conductive carbomorph is an example of a hybrid composite material made from melted thermoplastic mixed with carbon black to create a composite material that can be extruded with standard ABS settings on a standard 3D printer but that also conducts electricity.

 

Other options include different colors of filaments, filaments with metallic glitter, thermal color-changing plastic, and glow-in-the-dark pigments and dyes.

 

There are materials that are compatible with consumer-level printers. For example, a material that looks like wood, or a material that resembles sandstone, intended for architectural modeling.

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