Open-world marble run maker with tracks, treadmills, conveyor belts, motors and moving contraptions you can build from simple code.

Once you position the end of your track where you want it with the arrow keys, press enter. Marble Run Maker will remain in keyboard mode, and let you continue the track manually. It …

Marble Run Maker will load along the edge of your scene a few dozen sample track profiles to get you started. You can copy, apply, and modify these to your liking.

Marble Run Maker | SamplesAll Samples In One F Use track widths to sort balls

Marble Run Maker lets you separate marbles by size many different ways, limited only by your ingenuity. One simple way is by building a track profile that is just wide enough to allow …

Again, Marble Run Maker knows that when you provide only two sets of coordinates, you're giving the opposite corners of a plane. In this case, the plane runs from 1,0 -- one to the right on the …

BallAny size or color Ball generators create an unlimited or fixed number of marbles at any rate you want. They can be a random color, specific color, and any size. You can certain sizes …

Instructions & HelpNew Ball Generator B Box generators created an unlimited or fixed number of boxes at any rate you want. You can pick the size and any color, or you can make the size …

Use Marble Run Maker's interal scripting language to build contraptions by hand. The simple scene below, including the rotating arm, was scripted in just a few lines.

Marble Run Maker | Help | Options | TrackNew Track Profile... N Capture Track's Profile C Apply Captured Profile A Selected as STL to Clipboard L