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The main objective of this article will be focused into the possibilities of 3D printing paper machine called Mcor IRIS HD and also to subscribe the principles of this 3D printer in general. This machine is not well descripted yet; so the main idea is based on how this 3D paper printer works. Also, unlike the other 3D printing materials, this paper technology is not so well-known nowadays. There will be explained how the papers are spliced layer by layer on the building platform inside the 3D printer and the process of cutting the papers into the final model and its supporting material. The workflow begins from the raw model data of the real phenomenon and its properties setting in the computer software. There will be described the printing settings; such as the trajectory of the cutting axis or the size of the model. The knife and glue preparation should be also desribed. Then comes the part of splicing the paper layers with estimated single layer height 0.1 mm (used paper quality 80g) and maximum print size 256 x 169 x 150 mm. This case will be fully described in order to summarize the whole building process. The last but one step is based on removing the completed model outside the 3D printer and cleaning it from the waste supporting parts of paper. In the end there will be shown some pretty example of the impregnation of the final model surface by a special material in order to get the best and constant results. The results should be defined as white or full-coloured models with real colours; its advantages and disadvantages. Showing the low-cost prototypes built only from the white or coloured papers; based on the model properties and usage. [ABSTRACT FROM AUTHOR]