Thingiverse

Quarter Helix Marble Run by JmsDwh
by Thingiverse
Last crawled date: 4 years, 2 months ago
I've been making a lot of marble run pieces lately and I thought it would be fun to have a piece that had the tightest curve possible while pivoting around a single 2x2 brick. I came up with this, which will print without supports and if you print enough of them, will make a tall helix spiral.