Automating selection and sliver elimination using QGIS

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At the moment I do this manually:

1. open a shape file
2. open the attribute table
3. use "select features using an expression" - the expression is "area" < 200
   1. then I use vector/geoprocessing tools/eliminate sliver polygons
   2. I select "common boundary", add a name and location for a new shape file.

I have tried to automate this process using the modeller, but even after looking at some tutorials I could not achieve this.

Since I have many shape files, I would like to process them one at the time automatically.Note that the resulting shape file should have the original shape file name with a prefix or a suffix - I don't mind which.



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