You need to print:
1x LINKS_Spindelstock
1x LINKS_KlemmbügelAdaptor
1x RECHTS_Bettschlitten
2x UNI_Klemmbügel
The part for the slide is fixed with 2 m8 bolts (thread length doesnt really matter, i used ~12mm). The Part on the left side is glued on with 3M VHB Tape.
I ordered the Waycover from aliexpress
https://de.aliexpress.com/item/981500677.html
Product properties: 130x15x1500mm
Cut the cover to the desired length and screw the “UNI_Klemmbügel” to it using m2 screws and nuts.
The author hasn't provided the model origin yet.