Eyeballs and comments sought for noob build

[Tom J]

Hi
In general this is easy to build design but I would change it slightly:

1. Put rails on spindle plate and blocks on Z plate (this will give zero torque at top spindle position, your design create torque on spindle plate regardless of the spindle position)

2. Y blocks I would install on top rather on the bottom (it easy to make guard if you want to protect blocks against dust) - too big arm from bottom blocks to top of the gantry - think about forces

3. Direct drive is transfer vibration to the motor better to use gear and belt.
4. I would use one motor for Y drive driven by pulley

5. Gantry should be connected on the bottom - not open. This make it stiffer and side plate a bit thin