Today the process of developing and designing a product prototype , especially one of complex design in which maximum accuracy is required, has undergone a revolution with the aid of state-of-the-art technology for the production of 3D models directly from an STL file. 

 

The equipment and technology enables the industrial designer to produce a final model in a very short time by an interactive engineering and design process. This is a breakthrough in the process of product design that enables companies to uphold the dictates of modern industry i.e. strict adherence to timetables and the demands of a fast moving and competitive market place whilst at the same time achieving excellent quality control results.

 

 The 3D photopolymer printer, donated by the Keter Plastic Company is based on a unique technology called POLYJET, as part of the of the Quadro Tempo system developed by the Israeli company Objet. The jetting unit features 1536 nozzeles – half of which are used for depositing model material and the other half the support material. The unit jets a photopolymer material, layer upon layer, in a high resolution of 20 microns thickness. Based on 2-dimensional photographs of the object the engineering design file – done on the computer from a STL file - is converted into an accurate 3-dimensional model. Immediately after the jetting of the material the model undergoes a curing process under ultra violet light. The result is an accurate 3 dimensional model with a totally smooth surface that does not require any finishing.

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