The authors describes a manufacturing support process, Computer Assisted Engineering (CAE) concept, with a Cloud Computing approach, mainly oriented to SME´s that takes account of manufacturing sustainability in several perspectives such as economic, environmental, innovation and social. This case is a result of the CloudPyme Project (CPP), where the main objective is providing this CAD/CAE tools to SME´s, which in normal cases can´t access to this tools, related to acquisitions issues (e.g. high costs in software, hardware and training). The concept has been running for providing a structure and services (SaaS), using Cloud Computing, based on Open Source Software (OSS) and support services, given the opportunity to SME´s to improve their products using advanced engineering tools at low price. With this service, small manufacturing companies can design new products in a more efficient way. SME´s using this support service can spend less energy, time, materials and more durable.