Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Customizable Marble Machine

by Jazzmyn, published

Customizable Marble Machine by Jazzmyn Jun 22, 2015


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Get the ball rolling and ​design your own custom marble machine. I have created a set of 3d printed parts that allow you to build the marble machine of your dreams as big or as small as you want. With crossovers, loops, switches, and curves you become a roller coaster engineer. Inspired by the marble machine in the Maker Bot Retail Store. I had to have my own now you can too. More info at:


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Thank you for your sharing! Can you tell me which 3d software did you use to create this Machine.

I solved my problem with printing everything at 105% size. This way the 3/8" dowel rod can be replaced by a 10mm one. :)
Everything gets a bit bigger but that isn't much of a problem.

I really like this design and are in the process of building one.
A big problem I have right now is with the dowel rods.
I can get 10mm ones witch don't fit or 8mm ones witch are much to small.

Do you have the models in a format like openSCAD where it would be easy to adjust the holes to a metric format?

Very ambitious project! Great job! I bet it was hard to hold back the publish until all the pieces were done. I'm glad you did though, nothing worse than waiting for huge projects that are uploaded one piece at a time as separate "things". You're presentation was also very well done!

I want to do something big too, but I'm still trying to figure out what that will be. I bet this project will inspire some spin-offs, but hey, you were first (that I know of) to the large scaleable modular marble roller coaster scene. I hope this project gets featured!

Thanks! Good luck with your big project. It is rewarding to see a big project come together after all the time printing the parts and hoping it will all work when it goes together.

Nice work!
Hee. this was on my list of thing to design. But you here there first .
Possible the couplings could be enhanced, so that you don't need the zip ties.
One idea is to angle the coupling at 45 degree on the end. Then a ring with the same 45 degree bevels could snap around it holding the ends in place.
Also you could use a screw/nut in the ring to clamp it down, possible in combination with a pivoting part.
Keep up designing!

Very interesting! I have downloaded the files and am now going to try to print on my Dremel Idea Builder (using Simplify3D 3.0 software). Will let you know what modifications I had to make to get it to print successfully. Thank you for posting this!

Can you give us some insight into what you used to print these objects and the settings you used? Many/most of these are going to require supports (for those of us using FFF printers) ...

I used a Makerbot Replicator 2 no supports and 10% infill. There are two copies of each track. One is the model the other is flat and will require you to print and glue together. Remember to print a "ring" for each end some require 3 most only 2. Check out my instructable for more info and photos. Good luck and please post a photo.
Let me know if you need any more help or you have an idea for a track part that I have not made.

Fantastic! I've been wanting something like this for a while.

Great looking marble machine!

Thanks. Your projects are amazing I have some serious reading to do from your instructables while I am printing some of your things from thingiverse!