Adjustable Seidenstrasse Rohrpost Capsule

Adjustable Seidenstrasse Rohrpost Capsule
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I made an adjustable Rohrpost-Capsule for the CCC-Camp 2015 and upcoming CCC-Congresses for use with the Seidenstrasse-RohrpostSystem.

The Capsule is adjustable within the scad-file, but not fully parametric due to lack of time remaining to the Camp.

Main Features of this Capsule are:
- Thiner middle area for better movment in tight curves.
- Integrated and adjustable holes for LED-stripes and cableties to secure them.
- the "bulky" area on both sides sould be the right size to add velcro on the outside.
- sliding rails with an endstop to the bottom to insertplates out of plastic, wood or metal, e.G. to mount your favourite electronics to it (the "default" adruino-pcb-width matches exactly between the rails, even thou this is archieved by accident [uno,leonardo, ethernet duemilanove and mega 2560 are fitting in definitely, even 2 boards at the same time] the Rails have been originally desinged to house a raspberry PI, but