Thingiverse
Flat Pack Conformal Rocket Fin Rails!
von concretedog
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I needed to design a model rocket I could use for a workshop that could be flat packed into a suitcase for travel. I made these conformal rail mounts which are designed to receive a 3.125mm thickness fin. The root length of the fin mount is currently 100mm but the FreeCAD file is there so you can adjust as you like. The radius of the fin mount is 27.5mm designed to fit a common 55mm postal tube (again you could change the radius to fit your build). It's actually tight enough to hold the fins without the bolts so you could get rid of the bolt holes also.
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