Filling in three cylinders

[markintheozarks]

I am sure there are people who know.I can’t seem to find the right solution.thanks —Mark

[pascal (Pascal Golay)]

Hi Mark - if those bends are arcs, I guess there is a piece of a sphere that fits tangent for each case (inside, outside).

Filler_PG.3dm (342.7 KB)

-Pascal