Printtex is a mobile “wall-printer” that prints desired motifs on vertical surfaces. The design is based on two coordinate-sensors that limit the printing area to a space defined on the user’s laptop or tablet. Once an image is uploaded and positioned within the print area, the printer prints each colour tone separately. The user glides the Printtex over a wall segment to print. To verify and ensure quality, an optical sensor and a distance sensor are integrated into the design.