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OpenRC - 2WD micro crawler

by JonasF, published

OpenRC - 2WD micro crawler by JonasF Aug 6, 2016


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Thing Statistics

3643Views 483Downloads Found in R/C Vehicles


OpenRC 2WD Micro Crawlers

  • Length : 72mm (without body)
  • Width : 47mm
  • Weight : 34g (without body and without lipo)

3Dprint parts list :

Central chassis

  • 1x Chassis.stl
  • 1x Couvercle Chassis.stl

Rear deck

  • 1x Pont AR GA.stl
  • 1x Pont AR DR.stl
  • 1x Pignon moteur.stl
  • 1x Pignon roues.stl

Font deck

  • 1x Pont AV.stl
  • 1x Support triangle AV.stl

Rear suspension

  • 1x Triangle AR bas.stl
  • 2x Trangle AR sup 2x.stl

Font left suspension

  • 1x Triangle AV BAS GA.stl
  • 1x Triangle AV HAUT GA.stl
  • 1x Fusee GA.stl
  • 1x Support Fusee GA.stl

Font right suspension

  • 1x mirror of Triangle AV BAS GA.stl
  • 1x mirror of Triangle AV HAUT GA.stl
  • 1x mirror of Fusee GA.stl
  • 1x mirror of Support Fusee GA.stl


  • 1x Direction servo.stl
  • 1x Direction fusee GA.stl
  • 1x mirror of Direction fusee GA.stl


  • 4x pneu 4x.stl in flexible filament like nijaflex
  • 2x roue AR 2x.stl
  • 2x roue AV 2x.stl

Other parts :

  • 1x ESC and receiver examples : https://gitlab.com/openBLERCremote/redbearblenano_receiver_with_brushed_esc_arduino_ide. Updated September 27, 2016: I ordered a esp-32 and a motor driver TB6612FNG, I think current November 2016 I propose a less expensive and easier to manufacture ESC.
  • 1x gearbox motor N20 DC3V 1000RPM
  • 1x ultra micro servo (HK-5330)
  • 2x screw M2x8 (font wheels axis)
  • 6x ball bearing 2x5x2.5
  • 1x screws kit for Losi micro-T (ref LOSB1524)
  • 1x lipo 1S 260mA (size ~35x21x8.5)
  • 39mm silver steel ground rod round shaft 2mm (rear wheel axis)
  • 6x sewing pins (suspension axis and steering arm
  • Steel spring for font and read springs ("Fiber" of a brake cable, floppy spring)

Print Settings

Printer Brand:



Prusa i3


All parts have been printed with a 0.4mm nozzle except engrennage (head 0.25).

All parts were located Print PLA except tires which were printed in ninjaflex

The tiny parts and tire were printed in full, the other with a filling 25%

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I have been trying to build this model and have a few questions. 1st the main chassis stl is not a complete model and is impossible to print. As well Triangle AV HAUT GA is a G-Code file and not an stl so it is as well not printable. Other than that, more pictures of the control horn and how it connects would make this slightly easier to assemble. This is one cool,well constructed model. Thanks!!

Hi all

I juste ordered a esp-32 and a motor driver TB6612FNG, I think current November 2016 I propose a less expensive (~10-15$) and easier to manufacture ESC

What is the body file?

Sep 6, 2016 - Modified Sep 8, 2016
JonasF - in reply to Akura2

It's Hilux by 3rdaxis http://www.thingiverse.com/thing:1372741 set to scale and "thickened".
I have not uploaded the STL because I'm do not know use the modeling tools like Blender, and my model has very many problem.

Toyota Hilix body
by 3rdaxis

This is extremely cool. Will be following closely!