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The manual process of making kuih koci often faces several major problems, including inconsistent filling volume, long processing time, and poor hygiene. Users also face physical challenges such as wrist fatigue when producing large quantities of kuih koci. Furthermore, manual methods cannot provide uniform results. This study was conducted with the main objective of developing and designing a kuih koci filling shaper that can overcome the constraints of the manual process. This product aims to reduce the time of the process of filling shaping, standardize the filling volume, and improve ease of use and cleanliness during operation. This product was also analyzed to study whether the product materials used are suitable for the viscosity and texture of the core. To complete this project, data collection was carried out through primary data collection, with interviews. Data was collected and analyzed to ensure that the methodology used could meet user needs. The methodology used to generate ideas through the best brainstorming and the best concept was selected by using concept screening and concept scoring. The product was designed using CAD software and produced using 3D printing technology with PLA and PETG filaments. Field tests were conducted with respondents who were experienced in producing kuih koci to evaluate the effectiveness of the product in terms of function, usability, and filling quality results. The results show that the prototype of the kuih koci filling shaper successfully produced filling with a uniform volume where the manual method showed a large variation in volume between 10 grams to 13.5 grams, while the new product in the range of 12 grams to 13 grams. In addition, the product can speed up production time by 35% compared to the manual method. The cleanliness of the filling is also guaranteed by the use of this new product, to maintain the quality of the filling produced. However, several constraints were identified, such as the viscosity of the filling against the PLA material and the design of the nozzle, stainless steel material is proposed to improve product performance, especially in ensuring a smoother flow of the filling.