Update for today...
The cones that came out from my excle spreadsheet were drawn in my CAD programm to get different measurements for the fitting of the final pipe which will be bent in different dimensions.
That information was used to design the pipe around my trike. A small steel tube with some styrphor circles was bent around the frame to find a way through the trike with enough clearance:
Sorry i dont have a picture with this dummy pipe on my trike...
We improvised a 3d scanner with 3 rulers for X Y and Z axis and imported the form of the steel tube into the CAD by measuring 30 points.
This will be the the base for the CAD model:
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