Z-Axis Upgrade

During my tests, I found the movement of the stepper motor at the z-axis unsatisfactory. It moves a lot causing too much vibration. I realized the force that it needed could not be efficiently handled by the acrylic bracket. So I decided to upgrade the Z-axis to have similar designs as the x and y axis.

Here's the old z-axis:

The old z-axix is purely made of acrylic brackets so I decided to replace it with 20x40 aluminum profile:

And here is the result: