This report outlines a comprehensive business plan for a 3D printed jewelry and decorations enterprise, named 3D' NEWDEC Company. It begins with the motivation behind the business idea, driven by the growing demand for stylish 3D printed jewelry. The report details the process used to generate the business idea, including brainstorming, focus groups, library research, internet research, and mind mapping. It describes the products and services offered, such as 3D printed jewelry and 3D design products, and sets the stage for the feasibility study which includes product/service, organizational, and financial feasibility assessments. The financial feasibility section includes start-up costs and analysis of similar businesses' financial performance. The report analyzes potential market opportunities using the 7 P's of marketing (product, price, place, promotion, people, process, and physical evidence) and PEST analysis (political, economic, social, and technological forces). A competitive analysis is performed, with the marketing strategies of the business highlighted, focusing on social media and website marketing, and the use of penetrative pricing. The industry attractiveness is assessed using Porter's five forces. The vision for the company includes expansion and global reach. References from academic journals and publications support the report's findings.