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Bunny Construction Barricade 3D Print


maihama eki

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I had a bit of an infatuation with the cute construction barricades that you see in Japan.  I’ve never seen them available as a detail piece for model railroads, so I decided to create one myself.   Here is the step-by-step.

 

I saw a bunny shaped one in a sort of museum display on Japanese pop culture and took a photo of it to get a semi-decent straight-on photo.

 

BunnyBarricade_small.thumb.jpg.170224037d781643a461f91a1111c306.jpg

 

I had thoughts of making these by cutting flat pieces of card stock or plastic with a laser, but I decided to 3D print them instead.  I sketched out a line drawing of this Bunny and used TinkerCAD to create an extruded version of this.  I put 5 of them together in one piece for 3D printing.

 

TinkerCADpic_small.png.89ab483207a4fcd99b3981491ad58d0e.png

 

The .stl file is exported from TinkerCAD and into Shapeways.

 

ShapewaysPic_small.thumb.png.1e567a0ba1941af9cd97e454d2c22374.png

 

Shapeways prints these and sends them to me.  An individual piece, cleaned up a bit and cut off the runner looks like this.  I printed them in the Shapeways "Smoothest Fine Detail Plastic".  In n-scale, this is about 8 mm tall, 3 mm wide, and 0.5 mm thick.

 

Bunny3D.thumb.jpg.03651691e6fa6cb6bd663b9c96e6ae41.jpg

 

A pair of these is painted and assembled with 0.5 mm stainless steel rods to get to the final item.  I might paint future ones in a brighter pink, but overall, they it came out pretty well.

IMG_0687.thumb.JPG.f5f792a04c3765b4e3290cfa6d97b3d8.JPG

 

Edited by maihama eki
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Very cool! I messed with making some of the human shaped one with a paper punch I found. I’ll dig them out. Unfortunately they worked out more like 4’ tall not 3” as they should have. 3D printing them is perfect!

 

jeff

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They are wicked cool, but isn't even 8mm a tad tall?  That comes out to about 4 feet at 1/150.  The ones I've seen are not 4' tall I don't think? 

 

Edited by chadbag
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1 hour ago, chadbag said:

They are wicked cool, but isn't even 8mm a tad tall?  That comes out to about 4 feet at 1/150.  The ones I've seen are not 4' tall I don't think? 

 

Yeah, I don't have an actual measurement.  They might be a little tall.  The tips of the ears are around 1.2 meters off the ground (the 8 mm), and the top bar is about 1 meter off the ground.  When I look for pictures online now, they seem to be about waist high or a maybe a little lower.  Waist high on 5'-10" me is around 1 meter.

 

At this point it would be easy to scale them down slightly if I get a measurement.  Maybe on my next trip to Japan.

 

It was a fun project.

Edited by maihama eki
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1 hour ago, maihama eki said:

It was a fun project.

 

More than a fun project.  It was way cool idea.

 

Would be cool to get a whole fleet of various ones.  I don't remember the rabbit but have seen other animals and usually a construction site (road work) will have a mix -- each section is homogenous but various sections not necessarily.

 

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