Botmobile Dune Buggy

by MakerBot, published

Botmobile Dune Buggy by MakerBot Nov 24, 2011

Featured Thing!


Order the Botmobile Kit from the MakerBot Store at store.makerbot.com/makerbot-botmobile.html and you'll have all the parts you need to get your printed Dune Buggy going in no time!

The wind in your hair... The sun on your face... The sand in your teeth... Everyone loves a day out cruising the dunes in their trusty Botmobile Dune Buggy!

The Botmobile Dune Buggy is an open source 3d printed remote control car that you can build at home. Using the Botmobile chassis the Dune Buggy was built from the ground up as a completely new type of remote control car

See video of the Botmobile Dune Buggy in action: youtu.be/tQIfChZZTog

Created By Michael Curry (Skimbal)

Recent Comments

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If you don't buy the kit can you just print it as a non-RC buggy? Or are mire parts required?

Thanks. Still working on the buggy. Managed to extract the gears and will print them soon. Report back if it works (which leaves the motor.......)

I never completed it because I couldn't find suitable motor and gears. Right now I'm building the OpenRC Truggy and you get more support on that project. You can join the community here: https://plus.google.com/u/0/co...

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Non-Printed Parts-

The electronics and non-printed parts are available in the Botmobile kit from the MakerBot Store


Printing Instructions-

Print one of each part. Except wheels.stl, which you will need to print twice.

Assembly Instructions-


Printing Notes-

Front.stl and Back.stl are tricky prints. 2 extra shells and 10% infill have yielded the best results. Also try to protect the print from drafts and rapid temperature changes during printing, as this can cause cracking.

Interior.stl can be printed with 1 or 2 extra shells at 10% infill.

Wheels.stl, Steering.stl, Gearbox.stl and Axel.stl are best printed with 0 or 1 extra shells and an infill of 30%.

Created by Thingiverse user Skimbal, designer of the Turtle Shell Racers. The Botmobile represents the 12th revision of Skimbel's effort to create an open source RC Car


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azzeloof on Sep 8, 2013 said:

If you don't buy the kit can you just print it as a non-RC buggy? Or are mire parts required?

pintokitkat on Sep 24, 2012 said:

Struggling with printing the gears without having any specs for them.  Anyone know what they are (pitch, number of teeth, diameter etc).  I appreciate I can use the OpenScad script for generating the gears, but I need the specs!

Oh, and my buggy's body parts took 13 hours to print on the Replicator, but which time they had drooped and warped so much I had to use a heat gun to soften them up and pull them back into position. Then lots of acetone glue to fill the cracks.  Ugly, but paintable.

pintokitkat on Sep 24, 2012 said:

Oh, hold the presses!  I just discovered that if you explode the main Sketchup file down and down and down, you can get to the gears.  They haven't been grouped properly, so they stick together a bit, but I'll separate them and post the stl file when I've proved the print works.

dragosr on Apr 14, 2012 said:

this ia an awesome design, just finished four days of nonstop print-run to finish it . some suggestions: the makerbot kit is great, and has a really nice radio with all the adjustments you need, however the built in battery pack is ass, to use a technical term. The 4 AA 6V pack does not provide enough torque (with fresh batteries) to actually move the buggy forward. Part of this problem is because of the lack of gear lash adjustment between the motor pinion and the middle gearbox gear - the fit there is too tight and requires more torque energy than those poor AA's can put out, loosening this connection and making it a little sloppier/looser will improve this and remove the binding that is stopping the initaition of motor rotation. But thankfully the kit comes wired with RC standard JST connectors - so another option is to use an off the shelf 2S 7.2 V LiPoly pack available at hobby stores which can deliver more oomph speed and torque. The suspension design via the flexible axels is a clever solution. More comments as I shake this thing out. Very tempted to put a brushless motor and a real differential gear box in this thing.... cute. and thanks for the design and the kit makerbot folks. it's a new world.

Anonymous on Mar 26, 2012 said:

could someone with a finished car weigh it? to estimate the amount of material used. Would like to build and design my own... trying to estimate cost of using a maker bot in my little factory :)

3dfuture on Apr 6, 2012 said:

When you slice the STL, the slicing program comes up with a log of the amount of material used.

You can work out the mass from there.

redpeppr on Mar 14, 2012 said:

Which DC Motor, ESC and spur gears do you need for this? I had everything else laying around but I can't seem to find these parts easily.

maxinux on Apr 1, 2012 said:

OK, we figured it out! FC-280 Motors, and some ESCs from china we need to find a better source for. Spur gears via OpenScad script and we should have a working botmobile :D

EvilApple on Feb 20, 2012 said:

When generating gcode in replicatorg 2.9 r2 on interior.stl I get the message "something will still be printed, but there is no guarantee that it will be the correct shape. Once gcode is saved, you should check over the layer with a z of: 22.05" the print was not successful.

EvilApple on Feb 21, 2012 said:

got the print to work. I had a doh! moment. I had a belt come loose.

mweinberg on Feb 7, 2012 said:

I'm so close to printing this entire thing out, but I'm stuck on the Axel. Generating the GCode for it crashes Skeinforge every time. I've tried to change the shells and the infill, but it is red error code as far as the eye can see. I'm trying to print using SF35-Thingomatic-HBP-Mk6. It looks like it is hanging after the "Inset" step. Has anyone else had this problem, and/or does anyone else have a solution?

3dfuture on Apr 6, 2012 said:

Maybe try Slic3r?

Anonymous on Dec 14, 2011 said:

If you print a mold for the tires, you might be able to make those too, out of sugru for instance. Idea?

ThePelton on Dec 13, 2011 said:

What occurred to me on wheeled toys is: What if you made a groove around the wheel that would accept an O ring?

jimcook on Nov 28, 2011 said:


I decided to try printing the Botmobile. The front and the inside printed well. The back end was another matter. Three quarters through the print one portion of the print lifted about .190" up from the platform.

You can see the resulting gap in the body shown in the picture.

I think I've lost interest in this vehicle. :'(

MTO on Nov 29, 2011 said:

Looking at videos and photos, it looks like the gap you have is in line with the gap that makerbot gets when they print the car body. So rather than seeing a failed print, I think you should see a perfect print!

Also, I wonder if you could print a thin shim that perfectly fits and blends the gap...

Luis on Nov 28, 2011 said:

You give up too easily, looks great! Awesome print quality! Maybe level your bed or turn up the HBP heat. That's what I did when I popped of the first PLA try.

Linkreincarnate on Nov 26, 2011 said:

is the kit compatible with the turtle shell racer?

Skimbal on Nov 26, 2011 said:

It will be, when I get a chance to upgrade the Turtles and release a derivative.