The primary focus of this Bachelor's paper is the 3D modelling of a pipeline. The modelling process is conducted with the 3D CAD software DS SOLIDWORKS. The pipelines are the lifeblood of the transportation process for raw goods and products, they have a monumental role in all parts of industries. Every day onwards, their importance rises more and more. To optimize the designing process of process plants, specialized CAD software must be used due to the high level of automation. DS SOLIDWORKS is a great polyfunctional 3D tool that is used in all branches of the industry. The routing module is part of the SOLIDWORKS Premium package, it enables fast and easy pipeline construction. The module itself has a library that contains many different components which can be upgraded and actualised in parallel with software development. Besides having proper software and other work assistance, proper knowledge and rightful implementation of materials science, fluid mechanics, thermodynamics, IT technologies and other fields of engineering associated with the piping business is a must for every piping engineer.