The Characteristic of Overhang Object to Material Usage on FDM 3D Printing Technology

Redyarsa Dharma Bintara, Aminnudin Aminnudin, Dani Prasetiyo, Ferian Rizki Arbianto


Fuse Deposition Modeling (FDM) 3D printing is one of additive manufacturing technology which physical 3D model is build up layer by layer. The support structure is almost involved on the process if overhang shape is met on the 3D model. It has main function to prevent the 3D printed model from collapsing. Commonly, the single material source of FDM 3D printer machine is to supply building two structure, structure of main 3D object and support structure. Hence, our goal optimizes the using of support material for reducing the main material usage. Furthermore, the sixteen of variation overhang angle is set to the 3D model. All models are printed into two kind of 3D printed model, printed model with support structure addition and without support addition. The weight of each 3D printed model is measured by weight scale with accuracy of tool is 10-4 g. Then the quality and the weight of 3D printed model are compared and analyzed. The result shows that the average overweight of 3D printed model with support structure addition is 40.41% than without support structure addition. Furthermore, there are several the 3D printed models without support structure that fail printed on variety model with 0° until 11° of overhang angle. The conclusion of this study is that the support structure can prevent the 3D printed model from collapsing but it does not need be built up if the overhang angle more than 11°.


3D Printing, Overhang, Support Structure

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S. Bose, S. Vahabzadeh, and A. Bandyopadhyay, “Bone tissue engineering using 3D printing,” Mater. Today, vol. 16, no.12, pp.496–504, 2013.

S. Ford and T. Minshall, “Invited review article: Where and how 3D printing is used in teaching and education,” Addit. Manuf., vol. 25, pp.131–150, 2019.

X. Chen, L. Xu, Y. Wang, Y. Hao, and L. Wang, “Image-guided installation of 3D-printed patient-specific implant and its application in pelvic tumor resection and reconstruction surgery,” Comput. Methods Programs Biomed., vol.125, pp.66–78, 2016.

CH. V. Madhav, R. S. N. H. Kesav, Y. S. Narayan, “Importance and Utilization of 3D Printing in Various Applications,” pp. 24–29, 2016.

Y. Weng, M. Li, M. J. Tan, S. Qian, “Design 3D printing cementitious materials via Fuller Thompson theory and Marson-Percy model,” Constr. Build. Mater., 163:600–610, 2018.

P. Dudek and K. Zagórski, “Cost, resources, and energy efficiency of additive manufacturing,” E3S Web Conf., vol. 14, pp. 1-8, 2017.

A. T. Gaynor and J. K. Guest, “Topology optimization considering overhang constraints: Eliminating sacrificial support material in additive manufacturing through design,” Struct. Multidiscip. Optim., vol. 54, no. 5, pp. 1157–1172, 2016.

Thomas. D, “The development of design rules for selective laser melting,” University of Wales Institute, 2009.

J. Cantrell, S. Rohde, D. Damiani, R. Gurnani, L. DiSandro, J. Anton, A. Young, A. Jerez, D. Steinbach, C. Krsoese, P. Ifju, “Experimental characterization of the mechanical properties of 3D-printed ABS and polycarbonate parts,” Rapid Prototyp. J., vol. 23, pp. 811–824. 2017

R. Paul, S. Anand, “Optimization of layered manufacturing process for reducing form errors with minimal support structures,” J. Manuf. Syst., vol. 36, pp. 231–243, 2015.

P. Das, R. Chandran, R. Samant, S. Anand, “Optimum Part Build Orientation in Additive Manufacturing for Minimizing Part Errors and Support Structures,” Procedia Manuf., vol. 1, pp. 343–354, 2015.

J. Jiang and X. Xu, “Support Structures for Additive Manufacturing : A Review,” J. Manuf. Mater. Process., vol. 2, pp. 1-23, 2018.

A. Garaigordobil and R. Ansola, “A new overhang constraint for topology optimization of self-supporting structures in additive manufacturing,” Structural and Multidisciplinary Optimization, vol. 58, no. 5, pp. 2003–2017, 2018.



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