Specifying colour and maintaining colour accuracy for 3D printing
Parraman, C., Walters, P., Huson, D. and Reid, B. (2008) Specifying colour and maintaining colour accuracy for 3D printing. Proceedings of Electronic Imaging, Society for Imaging Science and Technology/Society of Photographic Instrumentation Engineers, San Jose, CA, USA, 26-31 January 2008, Procee. Available from: http://eprints.uwe.ac.uk/7709
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Publisher's URL: http://dx.doi.org/10.1117/12.766540
A conference paper presented at the Electronic Imaging, Society for Imaging Science and Technology/Society of Photographic Instrumentation Engineers, 26-31 January 2008. Advances in rapid prototyping technologies have led to the emergence of three-dimensional printers which can fabricate physical artefacts, including the application of surface colours. In light of these developments, this paper asserts that the need to print colour accurately is just as important for designers using three-dimensional colour printing as it is for two-dimensional inkjet printing. Parallels can be made with two-dimensional digital Inkjet printing and 2D common problems include: on screen pre-visualisation, colour management methods, colour gamut and maintaining colour accuracy. However, for three dimensional colour printed objects, there are more variables that will affect the finished colour. These are: the powder and process inks, unevenness of the surface, wax post-coating processes and different infiltration medium and procedures. Furthermore, in some 3D printers, the K channel is replaced by the binder and so the printer is only using the cyan, magenta and yellow channels. The paper will suggest methods for improving pre-visualisation and accurate pre-viewing of the colours through the manufacture of three-dimensional colour charts as a reference guide for designers so that they can make accurate coloured artefacts. A series of case studies will be demonstrated.