[Chimera-users] control of scale in STL output files
jons73 at gmail.com
Wed Nov 18 10:50:21 PST 2009
Perfect. Thanks very much. This is what I needed to know.
On Wed, Nov 18, 2009 at 10:36, Tom Goddard <goddard at cgl.ucsf.edu> wrote:
> Hi Jonathan,
> The Chimera exported STL coordinates will have units of Angstroms since
> those are the units of the PDB file. So the STL produced by exporting the
> two chains to separate files will have matching scale. You have to be sure
> when you send the print job to the printer that you specify the same scale
> factor. If you are using a uPrint 3-d printer it has a field in the print
> job setup software to specify a scale.
> There have been problems with molecular model ball and stick / ribbon
> depictions exported as STL not working correctly on the uPrint printer. The
> model falls apart I think. Greg Couch on the Chimera team knows more about
> this including the current status. Exported surfaces have printed without
> any problems.
> Here is a description and examples of plastic models we printed using
> -------- Original Message --------
> Subject: [Chimera-users] control of scale in STL output files
> From: Jonathan Schaefer
> To: chimera-users
> Date: 11/18/09 9:02 AM
>> I've got a question about controlling the scale of protein models in .stl
>> files generated by Chimera under File/Export Scene in the GUI.
>> I'm trying to print a 3D model of two interacting proteins with a rapid
>> prototyping machine that takes .stl files as input. The two proteins are
>> co-crystalized and contained in one .pdb file (1nbf). I want the two
>> proteins to be printed at the same scale so that I could fit them together
>> like legos. Can I achieve this by getting a scale set, then showing just
>> the first chain and exporting the data to a .stl file, followed by showing
>> just the other chain and exporting the data to a second .stl file?
>> I'm a novice to Chimera, so I might be missing something obvious. Any
>> help you offer will be appreciated.
>> Jonathan Schaefer
>> Morgan Lab
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