CAD Software Difference between the large-object template and the small-object in the Rhino CAD program

MetricRocketeer

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Hi TRF colleagues,

I am using OpenRocket to draw a model of the LOC Warlock, which I hope to eventually fly for an L2 attempt.

While I am at it, I thought that I would try to produce a CAD drawing of this rocket.

I have limited CAD knowledge. A couple of years ago I purchased an academic version of Rhino (I have Version 6, and the latest version is 7), so I am trying to relearn what little I knew to make the CAD drawing.

Here is my question please. You can set the drawing as a “large object” or a “small object”, and the difference between the two is the tolerance. As I understand it, “large” templates have tolerance set at 0.01 units, whereas “small” templates have tolerance set at 0.001 units.

What should I use — large or small templates?

Thank you.

Stanley
 

dhbarr

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Hi TRF colleagues,

I am using OpenRocket to draw a model of the LOC Warlock, which I hope to eventually fly for an L2 attempt.

While I am at it, I thought that I would try to produce a CAD drawing of this rocket.

I have limited CAD knowledge. A couple of years ago I purchased an academic version of Rhino (I have Version 6, and the latest version is 7), so I am trying to relearn what little I knew to make the CAD drawing.

Here is my question please. You can set the drawing as a “large object” or a “small object”, and the difference between the two is the tolerance. As I understand it, “large” templates have tolerance set at 0.01 units, whereas “small” templates have tolerance set at 0.001 units.

What should I use — large or small templates?

Thank you.

Stanley
Well, you're building out of cardboard and wood. Can you meaningfully measure or cut 0.001 units?
 

neil_w

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Disclaimer: I know nothing about this software.

What is the actual difference in use between large and small objects? What penalty is paid for getting the tighter tolerance of small objects?
 

MetricRocketeer

Member of the US Metric Association
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Disclaimer: I know nothing about this software.

What is the actual difference in use between large and small objects? What penalty is paid for getting the tighter tolerance of small objects?
Hi @neil_w and anyone else who is interested,

I managed to find an explanation of tolerances as they pertain to Rhino software. Here is a link to the information for anyone who cares to read it, and it is only about one page long:


Stanley
 
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