[CAD formats] .stl file scale!

gooya_kabir · October 26, 2013, 10:34

Hi friends,

I have a .stl file which when I open it by paraview its scale is 100*100*100. It means that its scale is 100m*100m*100m ? and also can I change it to 1m*1m*1m ? because when I'm using snappy, I just can define a outer box in blockmMesh directory for my .stl file and I could not change the scale of my .stl file.

Many thanks

I found it

here:
http://www.cfd-online.com/Forums/ope...-mismatch.html

good luck

Alfalfa · October 27, 2013, 13:51

Just to add, blender has a really nice scaling tool, you simply import the *.stl in blender, press ''s'' and type the scaling factor (there is no window to type in, you just do it). just be really careful to not move the mouse while typing.

lrmason · April 17, 2018, 05:52

For future reference:

1. Open in STL file in Paraview.
2. Go to Filters > Alphabetical > Transform.
3. Set the Scale values to be 0.01, 0.01, 0.01 (or whatever you need)
4. File > Save Data...
5. Save the transformed STL data as a new STL file.

derekm · April 18, 2018, 18:27

or use surfaceMeshConvert
example:

Code:

surfaceMeshConvert infile.stl outfile.stl -scaleIn 0.001

October 26, 2013, 10:34	.stl file scale!	#1
gooya_kabir Member Reza Join Date: Feb 2012 Posts: 67 Rep Power: 14	Hi friends, I have a .stl file which when I open it by paraview its scale is 100100100. It means that its scale is 100m100m100m ? and also can I change it to 1m1m1m ? because when I'm using snappy, I just can define a outer box in blockmMesh directory for my .stl file and I could not change the scale of my .stl file. Many thanks I found it here: http://www.cfd-online.com/Forums/ope...-mismatch.html good luck Last edited by gooya_kabir; October 27, 2013 at 10:35.

October 27, 2013, 13:51		#2
Alfalfa New Member Gabriel Boucher Join Date: Jul 2013 Posts: 23 Rep Power: 12	Just to add, blender has a really nice scaling tool, you simply import the *.stl in blender, press ''s'' and type the scaling factor (there is no window to type in, you just do it). just be really careful to not move the mouse while typing. tonyuprm and gooya_kabir like this.

April 17, 2018, 05:52		#3
lrmason New Member Lachlan Join Date: May 2017 Posts: 1 Rep Power: 0	For future reference: 1. Open in STL file in Paraview. 2. Go to Filters > Alphabetical > Transform. 3. Set the Scale values to be 0.01, 0.01, 0.01 (or whatever you need) 4. File > Save Data... 5. Save the transformed STL data as a new STL file. chandra shekhar pant, RKyle and spalartallmaras like this.

April 18, 2018, 18:27		#4
derekm Senior Member Derek Mitchell Join Date: Mar 2014 Location: UK, Reading Posts: 172 Rep Power: 13	or use surfaceMeshConvert example: Code: surfaceMeshConvert infile.stl outfile.stl -scaleIn 0.001 chandra shekhar pant, namsivag and Francisco_Ramirez like this. __________________ A CHEERING BAND OF FRIENDLY ELVES CARRY THE CONQUERING ADVENTURER OFF INTO THE SUNSET

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