Donkey Self-Racing Car

by aconway, published

Donkey Self-Racing Car by aconway Apr 20, 2017
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Fusion 360


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This is reference hardware design for the Donkey Self Driving car which is being raced in the diyrobocars.com league. For directions on how to build, BOM and setting up software go to https://github.com/wroscoe/donkey
3/20/2018 edits - Added support for Desert Monster car - To use the desert monster you must print the adapters.

9/12/2017 edits - Changed screw hole size for servo driver board and gave more clearance for chassis pins. This should make assembly easier

8/23/2017 edits - I modified the parts slightly to allow more room for the pins on the base plate, added battery straps, and enlarged and moved the screw holes for the camera (Note - the camera hole pattern now matches the wide-angle camera and is now wrong for an official RPI camera)

Printing tips - Print in PLA or ABS. The roll cage should be printed with the "legs" up in the air. Depending on your printer holes may need to be drilled after printing.

Also included is a .dxf file if you want to laser cut a top plate.

For original Fusion 360 Files go to: http://a360.co/2pf3Dam

If you are doing a bulk build consider this version: https://www.thingiverse.com/thing:2566276

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I'm not sure how these parts were originally modeled, but if there's any chance the author could provide OpenSCAD files for this model I'd be quite pleased to use them. Thanks in any case, I had a wonderful print!

Unfortunately I did the parts in Fusion360. As far as I know there is no way to translate between the two.

Could you please share Fusion360 files? You can export models there no problem

Just look in the "thing details" tab. It is there.

Oh, sorry. Great. Thank you. I've printed it out already. Used one of the remakes where someone split base into two. It didn't fit my bed.

Ok, understood. It's a really nice design in any case - love how it serves as a handle for the car as well as roll-cage.

The Roll_Cage prints better upside down( dead bug style ) and I used OpenSCAD to do the positioning:

module rotateCamMount () {
rotate([-90,0,0]) import("Magnet_Roll_Cage_v2.stl");

The Plate needs re-positioning too:

module rotatePlate () {
translate([25,0,0.0]) // -75 works get just the camera mount above 0,0
rotate([0,0,0]) //-2.9,0,0 is close
rotate([90,0,0]) import("Magnet_Plate_v7.stl");

But it also needs the clip slots deepened and widened since a few members of the club had problem and had to grind the plate width at the pins. I deepened the slots from 1.5mm to 2.0mm deep.

module rPiPlate() {
difference() {
module addPlatePinClearance() {
//end 1
translate([90,-12.5,plateH-(plateH-platePinH)/2]) cube([pinSlotL,pinSlotW,plateH-platePinH],center=true);
translate([90,12.5,plateH-(plateH-platePinH)/2]) cube([pinSlotL,pinSlotW,plateH-platePinH],center=true);
//end 2
translate([-85,-12.5,plateH-(plateH-platePinH)/2]) cube([pinSlotL,pinSlotW,plateH-platePinH],center=true);
translate([-85,12.5,plateH-(plateH-platePinH)/2]) cube([pinSlotL,pinSlotW,plateH-platePinH],center=true);