This guideline indicates that slopes less than or equal to 45 degrees can be printed without support slopes greater than may require support. The 45° rule is a valuable tool for determining overhangs. We can classify the overhang as printable or excessive depending on the angle of the printed slope. This is when things might get messy: some of the plastic will float away, and gravity will begin to pull it back down. Each successive layer must extend slightly beyond the layer before you reach the underside of a slope like the one seen above. The underside of a slope, printed in midair without any physical support, is the bane of all FDM 3D printing designers.ģD printing overhangs are a result of 3D printing’s standard layer-by-layer method. We’ve all been there, staring at a print with an unsightly, drooping overhang and scratching our heads. Learn how to conquer extreme 3D printing overhang problems with all of our tips and methods! What is 3D Printing Overhang, exactly? Overhangs are a necessary evil in 3D printing.
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