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SMARS modular Robot

3D model description

SMARS acronym of “Screwless/Screwed Modular Assemblable Robotic System” is a simple robot designed to the educational field. The main features of SMARS are the reduced number of components, the possibility of mount it without screws and without soldering any part, it doesn’t need glue or similar and it’s really cheap to build. Another main point of SMARS is the modular design. You can mount different sensors and tools and design your own parts. In future I’ll add new modules or DLC to improve the model but It would be nice if you could share your mods too.

Join the Facebook group! https://goo.gl/4EgJhX
Facebook page: https://goo.gl/Gcmxp5

To build the basic model (with “chassis -SL.stl”) you just need few extra components:
-2x mini 150RPM motors https://amzn.to/2QYgbQY

http://s.click.aliexpress.com/e/by2RFfHq
-1x 9[V] battery https://amzn.to/2BozgSH
http://s.click.aliexpress.com/e/hEy2L3E
-1x 9[V] battery connector https://amzn.to/2PIzfxS

http://s.click.aliexpress.com/e/jDzqDWY

-1x Arduino UNO https://amzn.to/2BqSdEg
http://s.click.aliexpress.com/e/Qc3oVvA

-1x Adafruit Motor Shield V1 or V2 https://amzn.to/2Qy8fXf

http://s.click.aliexpress.com/e/ghtEQa8

or https://amzn.to/2QXvj18
http://s.click.aliexpress.com/e/bExt3Mv6

For the screwed version ( “chassis -S.stl”) you just need two 25mm M4 screws and two self locking nuts.

TIPS:
The joints of the tracks are simply pieces of 1.75mm filament cutted at the right length.

To assemble the screwless version you will need a multi slip-joint gripping plier to insert the “slave wheels”.

One of the next DLC will be the Quadpod mod. if you are interessted to move from tracks to legs, use the screwed version “chassis-S.stl” (“chassis-SL” will not be compatible)!

These models fits also:
-3x AAA batteries (check on my profile for the DLC)
-1x PS3 controller 1800mAh 3.7V Li-Ion Battery (be careful and use it only if you
know what you are doing!)
http://s.click.aliexpress.com/e/bgVGHcLA

Video: https://youtu.be/JCqkuDWNzIg

P.S updated files for ultrasonic 2a and 2b, use these ones, the old ones have an error and you can have some troubles during printing

3D printing settings

infill 20%
layers 0.2mm
supports touching building plate only in file "chassis_SL"

  • 3D model format: STL and ZIP

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Creator

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Just a dude who loves CAD & 3D printing.
If you like my projects, support me buying the material from my links, it will not cost you extra money and you will allow me to finance new projects! I would really appreciate it!
Amazon fr https://amzn.to/2A5jITV
amazon US https://amzn.to/2rFmmv5
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Aliexpress http://s.click.aliexpress.com/e/RnNUBUk

License

CC BY NC SA

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3 comments

How many track pieces? Looks like 16 per side from the pictures but can you confirm?

Hi, sorry but I do not. It's just a small difference, so I did not make it. In the first step you have to insert the M4 screws and the nuts to fix the slave wheels (in the SL version there are two "pins" on the chassis). The nut goes inside the chassis, there is a shaped hole so it will not turn when you screw the screw.

Do you the have instructions for SMARS S V1.0? The zip folder has only one for the SL version :)


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