If you have built a Borealis rocket, with those lovely thin tubes separating the 2 fuselage sections, you will want this

If you have built a Borealis rocket, with those lovely thin tubes separating the 2 fuselage sections, you will want this

thingiverse

My Borealis flew fine, but those thin paper/card tubes just didn't last. I replaced mine with brass tubing and designed this to replace the upper fuselage. In time I will redo the whole rocket in plastic. This replaces the top tube which tends to crumple in a hard landing.

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