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The additional motor arrives in a separate package on a different day, but it's perfect for the gadget.
Finally, after more than a month of waiting, the second package containing the spindle has arrived. It took many days and several communications to get it here. That said, the CNC is really well built and sturdy. I conducted a precision test and we are around 0.2 mm of imprecision, let's say. I need to adjust the steps with a specific application to make it as precise as possible; despite being a hobby machine, it is very heavy and well made. It has only one major flaw: it doesn't have a chain to hold the cables, so I created everything necessary to achieve a sliding motion that doesn't create obstructions by making supports and printing them with the 3D printer. I still need to test it properly, but as far as I'm concerned, I give 5 stars to this product.