Evaluation of the surface roughness and dimensional accuracy of low-cost 3D-printed parts made of PLA–aluminum oleh Nor Aiman Sukindar, Ahmad Shah Hizam Md Yasir, Muhammad Danial Azhar, Muhammad Afif Md Azhar, Nor Farah Huda Abd Halim, Mohd Hafis Sulaiman, Ahmad Syamaizar Haji Ahmad Sabli, Mohd Khairol Anuar Mohd Ariffin