Delta Multi 3d Printer with Sliding elements and steel frame

This is a delta 3d-printer with a steel frame and as much as possible 3d-printed parts.
All movable elements are sliding well with some oil for friction reduction.
Rubber band needs to be used between effektor and sliders. Also between sliders and the extruder unit,

Part list with vitamins is attached...
A step file with all parts is also attached.
A .dxf file with laser cut parts is also attached.

The extruder unit can be downloaded here.
https://www.thingiverse.com/thing:2191456