"This was a very nice and deeply analysed article. As there are multiple advantages and few disadvantages. I would like to inform those who are still using the tradition method for designing. There are now CAD design service provider who can help to make a design as per your requirement. This service provider have several certified and experienced professional in a team to perform various tasks. Thus, all the three disadvantages which are mentioned here can be considered by simply outsourcing the task or job."