Loose screws
Although there are plenty of forums out there that specialize in 3d printing, I wanted an industrial opinion on the matter.
I purchased a 3d printer that has two stepper motors directly connected to ACME threads that drive the Z-axis carriage up and down. There are guide bars on each side as well. The top of the screws are unsupported, so I decided to print a bearing support to stabilize it better. Then I shared my design on Thingiverse, which is turning into a real hassle. People state that having support on the other end will diminish the print quality and various other statements along those lines. My belief is that the manufacturer did not support them because it was cheaper and the quality was high enough for the price of the printer.
So what's your take on the situation?
Here's an example of my printer, and the printed part I made for it:
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