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Overall, it's much better than version 3, but I found the hotend to be useless because it's very easy to damage, and the filament doesn't heat evenly. Even after calibrating the board about three times, after three or four moderately heavy prints, the hotend clogs again. I'm not saying it's a bad product, as I'm no expert, but I definitely think the hotend issue is significant, and I think if you address it with a higher-quality model and raise the price by $30-40, this would be a golden option on the market.