A hacker has modified a 3D printer by adding lasers to pre-melt layers, significantly improving layer adhesion and strength along the z-axis. This innovation brings the breaking strain of printed parts closer to isotropic levels, with ABS achieving up to 94% strength in all directions compared to 60% for unmodified prints. While promising, the added mass of lasers may slow down fast printers, prompting consideration of alternative methods like changing layer patterns to enhance strength.
Read the full article at Hackaday
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