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stl

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A library to read, write, and transform Stereolithography (.stl) files in Go.

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stl
===

A library to read, write, and transform Stereolithography (.stl) files in Go.
It is used in the command line STL manipulation tool [stltool](https://github.com/hschendel/stltool).

Features
--------

* Read and write STL files in either binary or ASCII form
* Check correctness of STL files
* Measure models
* Various linear model transformations
  * Scale
  * Rotate
  * Translate (Move)
  * Fit into box
  * Apply generic 4x4 transformation matrix

Applications
------------

* Save 3D models as STL
* Import STL models
* Repair and manipulation of STL models
* General pre-processing before processing STL models in a 3D printing slicer
* Writing a slicer in Go (I hope someone does this one day)

Installation
------------

Using go's builtin installation mechanism:

go get github.com/hschendel/stl

Usage Example
-------------

```go
solid, errRead := stl.ReadFile(inputFilename)
if errRead != nil {
  // handle
}
solid.Scale(25.4) // Convert from Inches to mm
errWrite := solid.WriteFile(outputFilename)
```

Stream Processing STL Files
---------------------------

You can implement the `stl.Writer` interface to directly write into your own data structures.
This way you can use the `stl.CopyFile` and `stl.CopyAll` functions.

```go
var ownData ownDataStructure // implements stl.Writer
err := stl.CopyFile("somefile.stl", &ownData)
```

stl

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