Do-It-Yourself Multi-material 3D Printer for Rapid Manufacturing of Complex Luminaries
We present a do-it-yourself (DIY) 3D printer developed for rapid manufacturing of light fixtures (otherwise called luminaries) of complex and nonstandard shapes. This low-cost printer uses two individual extruders that can apply different filaments at the same time. The PLA (polylactic acid) filament is extruded for essential parts of the luminaire while the PVA (polyvinyl alcohol) filament is used to build support structures. PVA can be later effectively rinsed with water, leaving the luminaire with complex shape and diverse light channels. We provide a detailed description of the printer’s construction including specification of the main modules: extruder, printer platform, positioning system, head with the nozzle, and controller based on the Arduino hardware. We explain how the printer should be calibrated. Finally, we present example luminaries printed using our DIY printer and evaluate the quality of these prints. Our printer provides low-cost manufacturing of single copies of the complex luminaries while maintaining sufficient print accuracy. The purpose of this work is to deliver the luminaries for the experimental augmented reality system, in which virtually rendered lighting should correspond to the characteristics of the physical light sources.
KeywordsDo-it-yourself 3D printer Multi-material fabrication Lighting luminaries manufacturing Augmented reality
The project was partially funded by the Polish National Science Centre (decision number DEC-2013/09/B/ST6/02270).
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