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Garin Gardiner

Project by

Garin Gardiner
Tigard, USA

General Information

One of my good friends needed to make a pinewood derby that looked a little better than they did last year. We decided to tackle this with Fusion 360 and cut it on my X-Carve with my new X-Controller and importing the gcode directly into Easel…AWESOME!!!

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Material Description Price
End Mill Sample Pack, 1/8 in Shank

End Mill Sample Pack, 1/8 in Shank

Quantity: 5 (mix of 3 different types), Shank Diameter: 1/8 in, Cutting Diameter: 1/8 in, Type: End Mills, Cutting Length: Varies, Overall Length: Varies, Cutting Material 1: Linoleum, Cutting Material 2: Wood, Cutting Material 3: Soft Metals, Cutting Material 4: Linoleum, Cutting Material 5: Aluminum, Bit Packs: Variety Packs

File Description Unit Price
File-type-blank

Pinewood Derby.f3d

Pinewood Derby Fusion 360 Deign

$0

File-type-blank

CarFlatEndMill.nc

Clear material and cut outline

$0

File-type-blank

CarBallEndMill.nc

Finishing Pass

$0

Download Zip

$0
from Inventables

1

Design Car in Fusion 360

60 minutes

We used Fusion 360 to build a parametric block that matched all the specs of a pinewood derby stock. We then built used the sculpt environment to build a cool shape around the block and split it away leaving just the part of the car we wanted to mill out.

2

Create Toolpath and Export G-code

20 minutes

We created one setup with a 1/8" flat mill to remove most of the material and a second setup for a finer finish with a 1/8" ball nose. This will require a bit change after running the first gcode but pretty easy to do. For more details you can see Patricks Youtube video on this setup.

3

Import Gcode into Easel

2 minutes

For this step the folks at Inventables have made it about as easy as they can to bring in g-code from external sources. I don’t think its turned on for everybody just yet but there will be an option under the File pulldown to “Import g-code”. If you want this option and don’t have it, you can ask for it it on the forms and they typically turn it on for you in a day or two (now that service). You can then import the attached 2 files into a new project and and cut right from Easel.

4

First Pass with Flat End Mill

120 minutes

I screwed my Pinewood derby block on a 1/4" plywood plate with short screws and clamped it down to my wasteboard. With the stock clamped down I opened the first project to cut out the outline and remove most of the material with a 1/8" Flat Mill.

5

2nd Pass with Ball Nose

16 minutes

Once the first pass is complete I changed my bit to a 1/8" Ball Nose and ran the second project that will clean up the surface and round the corners so there’s not a lot of sanding that will need to be done.

6

Final Touches

15 minutes

Remove you awesome new car and put a little elbow grease to it by lightly sanding your car. I would lightly sand the car and spread a little filler on it to smooth it out even better. Once the filler has dried lightly run sandpaper across is in preparation to painting it.

More final pictures to come once my friend and his son put the finishing touches (sanding, painted and custom vinyl decals) on the car.