You can download it here: Math Plug-In. Note: When you install the plug-in you'll need to Unblock it first.

### Commands

Once installed there are a few new Rhino commands you have available:- MathLibrary
- MathCurve
- MathSurface
- MathEditObject
- MathSaveObject

#### MathLibrary

This brings up a dialog to let you select from some pre-defined surfaces, or those you've added to the library with MathSaveObject (see below). You can choose from a curve or surface library.When you click on an image it brings up an editor to let you see the functions, min and max u and v values, and the point counts in u and v.

When you press OK it creates that object. You can always edit the object using the MathEditObject command.

#### MathCurve

Brings up the interface to let you define a curve using functions.#### MathSurface

Brings up the interface to let you define a surface using functions.#### MathEditObject

Ask you to select a math object. Once you do you can edit its definition again. After you hit OK it is updated.#### MathSaveObject

This lets you save an object so it appears in the curve or surface library.### Function Reference

The functions you can use are referenced here:### Pasta Surfaces!

I had some fun with this plug-in in conjunction with a book on the mathematics of various pasta shapes: Pasta by Design. The book gives the equations and limits for many forms of pasta. The formulas can be entered into the Math Plug-In. The only change you need to make is to substitute the variable name 'u' for 'i' and 'v' for 'j'. Also, make sure you use enough steps in U and V. The defaults are low and you'll likely need higher values.Here's a spiral shaped pasta known as Buccoli:

Because it is a Rhino surface you can do all the things you can usually do - solidify, panelize, cytoskeleton, etc.

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