|First I made a template defining the correct angle of |
the seat inclination. The guide rails have to precisely fit
behind frame 5.
|Guide rails milled from brass and files to the correct dimensions.|
|Top view of the guide rails and frame 5 segments.|
|I soldered stripes on top of the H-profile.|
|One profile is already cleaned up. The holes are |
to lock the seat in 6 different height positions.