I printed it out of PLA, your standard settings will work as long as it's 100% infill. 

The linear rail kit I used is this
https://www.aliexpress.us/item/3256804190829510.html

I did use Solidworks 2024 for the .sldprt file

Edit: The large size of the STL file is due to me saving to STL with maximum tesselation and the tightest angle tolerances. I print with resin and I hate when a round surface doesn't look round