Mick S

2-sided 3D student project

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A couple of my students working on a 2-sided 3D file of a 1/2 scale prototype for a chair leg.

 

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Yes, I will. John is an incredibly talented traditional woodworker, and a very intelligent guy. This course has convinced him of the need to invest in a CNC router to accommodate his imagination. 

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That's something I have only done one time but it was on a piece much smaller than that.  Do you have a photo of the finished chair?

Btw, every time I lean over from the side like that I get grease on my shirt.  Is your machine protected in some fashion so that doesn't happen?

David

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Long story short, I've been absent the last 6 months or so. New machine at work, new capabilities, new material to work with, trip to Canada for training, etc. etc. BUT! I have something relevant to this conversation!

This is my first attempt at a 2 sided flip cutPHOTO_20181112_163021.thumb.jpg.bbe03794c7616faa844bc0f516eaad22.jpg

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It is EPS foam, also known as Expanded Polystyrene. Most commonly found as a packing material to secure objects in boxes.

I also have the capability to spray it with some really nasty stuff that essentially is a 2 part resin that cures in about 30 seconds... I hit this thing with a hammer and not a scratch, dent, or ding.

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I'll post some other stuff I've made these last 6-8 months if there's any interest.

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Double sided tape on the waste material adhered directly to the bed, Gaffer tape on the sides to hold it down to the bed as well.(A bit overkill) and a scribed line on the bed with a pencil for registration. Being that the media I'm using is foam, it is light, cuts really easily and doesn't need a lot to hold it down. Had a bit of an "oh no" moment when I realized I had my program start zero about an inch too far in for the Y axis and almost had no support material on the top edge.

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