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Obvious differences...
3020...
47 pounds larger working area repeat accuracy 0.05mm (0.002") stepper motors 2A
1419... specifies aluminum
18 pounds??? comes disassembled shipped from Hong Kong stepper motors 1.3A
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's what I want to do with it.
Seems to me the 3020 is better (or less worse) even though the red one (1419) is prettier.