Marble Run Compatible Tight Helix

Components to build a Marble Run Compatible drop helix

Top and Base segments are the standard 1 riser (35 mm) high

Middle Component(s) are two risers (70mm) high

Note: Top tube and exit tube will not line up vertically depending on the number of helix sections used

Video shows object with my 3 entry 100 mm base

https://www.thingiverse.com/thing:4776727

which provides both an exit and extra support for the top of the object.

If you download, please show the Monkey some love and hit like...