Wood pattern for casting iron flowers #2: The flower is defined by its wire frame

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Blog entry by Patternguy posted 03-19-2017 04:26 PM 1579 reads 0 times favorited 1 comment Add to Favorites Watch
« Part 1: There is an inside, and an outside, to everything. Part 2 of Wood pattern for casting iron flowers series Part 3: Subtracting the inside from the outside yields a flower with just the right wall thickness »

First I’ll clarify what this pattern will actually make…

The casting is a “Cooperstown Flower”. It’s a piece of architectural iron that got its name from a restoration project done in 1985 in Cooperstown NY. Unfortunately, I don’t have any pictures of the casting and will have to rely on a model I put together for illustration.

I have a video too, but I have to figure out how to post it.

Now that we know what we are making, hopefully, the next couple of images will explain where the wire frame fits into the story…

Wire frame exists in three dimensional space, but the output it defines will always be two dimensional, at least when it is viewed from a single plane…think of a piece of paper.

This is the output for one axis of the wire-frame ( shown in 3D for illustration)

This is the output for the the other two axis’s of the wire-frame.
(It is a little more complicated than that, but I leave it there unless someone is interested)

Here are both wire-frame outputs.

When you combine what is common to both outputs, the result is this.

Put eight shapes together and you get this!

1 comment so far

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4880 posts in 2844 days

#1 posted 03-19-2017 09:19 PM

Interesting thread….

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