A2 , Poor surface after removing the support for FDM technology.
A2.1, The support density should be as lower as possible, 10% is proper, it’s easy to remove.
A2.2, Trim the model with a grinding tool, rub gently with a towel and dip a little acetone, make sure to ware
gloves before hand, and do not wipe too long to caused the appearance effected or dimension changed .
A3 , The inappropriate distance between the platform and nozzle.
A3.1, The first layer is not formed, or the models are without edges or corners if distance is too large .
A3.2, The nozzle will scratch the platform and no filament come out of the nozzle if distance is too close, the
proper distance is the thickness of an A4 paper.
A4, The inappropriate printing filament
With the maturity of 3d printing , various of filaments are available on the market , but the compatibility for
filament and printers are particularly important.
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