Cushion Cut Stone Not Available...

I have a 10mm cushion cut stone, but in the RhinoGold gemstudio, cushion cut stones are not available...

 

How do i design a bexel for a cushion cut stone without the proper dimensions for a 10mm cushion cut CZ stone?

 

The file I have added has a head i have made, but it is for a radiant, because thats all that was available.  How do we do cushions?

 

 

Thanks...

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Permalink Reply by pat schmidt on January 13, 2011 at 5:37pm
is this what your looking for if yes just use your curve and gem creator you can then scale the height,mid or whatever
Permalink Reply by Cesar Arazian on January 13, 2011 at 5:40pm
Thansk Pat

pat schmidt said:
is this what your looking for if yes just use your curve and gem creator you can then scale the height,mid or whatever
Permalink Reply by Rafael del Molino on January 13, 2011 at 8:37pm
Pat, thanks,you are an expert! :) and faster than me!
Permalink Reply by pat schmidt on January 13, 2011 at 9:27pm
no way am I an expert, but thanks anyway!
Permalink Reply by Ken Sanders on January 15, 2011 at 6:38am

For what it's worth, I always measure the side dimensions of the stone, then the point to point dimensions. This seems to give me an accurate result to model from. I don't rely on preset stones to model from as all cushion cuts seem to vary from stone to stone. It is pretty easy to loft a simple stone shape from a couple of curves and a point for the culet.

If you need more info on how to do this, let me know.

Permalink Reply by Cesar Arazian on January 17, 2011 at 4:11pm

iF YOU Could send me a sample or video, I would definitely be interested.

 

Cesar

Ken Sanders said:

For what it's worth, I always measure the side dimensions of the stone, then the point to point dimensions. This seems to give me an accurate result to model from. I don't rely on preset stones to model from as all cushion cuts seem to vary from stone to stone. It is pretty easy to loft a simple stone shape from a couple of curves and a point for the culet.

If you need more info on how to do this, let me know.

Permalink Reply by Ken Sanders on January 17, 2011 at 11:59pm
Here you go.
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Permalink Reply by pat schmidt on January 18, 2011 at 4:50pm
here's another way to play with making your stone..... using the 'extrude' command only
(you can use extrude curve or extrude solid commands)
http://screencast.com/t/Ch3cD0xnBX

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