All materials in the Free Download section can be freely used for non-commercial educational purposes. The only condition of
                                    use is a clear indication of the source of this material Credit: EnergyEncyclopedia.com with hyperlink (digital and online
                                    media), or printed ”Credit: EnergyEncyclopedia.com” (in case of printed or off-line media). Breaking this license agreement
                                    will be prosecuted for copyright infringement. If you have a serious interest in creating a localized version, please contact us.
                                
                             
                            
                                
                                    We love to work on educational projects. We can offer expertise and long-term experiences in this field for you. Don't
                                    hesitate to contact with your brief/ideas the director of Simopt Mr. Michael Sovadina [email protected] We are looking forward to creating amazing
                                    3D models and educational projects for you.
                                
                                
                                    Simopt - short reference video
                                
                             
                            
                                
                                    All 3D models in the section Free downloads are free of charge. Just remember to keep the EnergyEncyclopedia.com logo on the
                                    models. The 3D models are designed for beginners and advanced printers.
                                
                                
                                    Each 3D model has pdf instructions for easy assembly (illustrated assembly guide). Download the STL files for free printing
                                    on regular 3D printers.