Though 3D printing has several advantages, it still has some drawbacks compared to standard production techniques. One of the drawbacks is the high margin of error which can be made with printers. Most 3D printers have tolerances of ± 0.5 mm, showing a high chance of error. To improve the accuracy, it should be noted that new 3D printers are being developed with an error rate of ± 0.01 mm. Another drawback is that post-processing steps are necessary in 3D printing. After the process is done, support structures should be removed which could leave permanent marks and bends on the object's surface. Eventually, the imprinted object's physical strength is less than the actual object itself. That causes the object to brittle at a faster rate, especially when plastic was the starting material.
All of that being said, 3D printing also offers an important creative method for material production.
Text retrieved from: What is 3D printing? The definitive guide. (n.d.). Retrieved from https://www.3dhubs.com/guides/3d-printing/.
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