Sometimes stl- or obj-files or other files which contain 3d models has several objects in one file. That is no problem for printers to print more than one object simultanous, but sometimes it is neccessary to reprint one of these objects and in this case the 3d file has to be splitted/seperated to get out the object which should be reprinted.

 

Out there are more than 2 tools which can handle this. In the following there are two short descriptions how to split these files with MeshLab and with MeshMixer.

Seperate Objects with Meshlab

Open MeshLab and import the file which contains the objects. File -> Import Mesh

After the mesh has been imported, klick on Select Faces in a rectangular region and select the object which should be deleted.

MeshLab Select Faces

Holding the STRG/CTRL button during the selection allows to select more than one part. After the parts have be selected push delete button to delete them.

MeshLab Faces Selected

Now the remaining object / objects can be exported. File -> Export Mesh as

 

Seperate Objects with Meshmixer

Open MeshMixer and import the file which contains the objects. File -> Import

After the mesh has been imported, klick on Select and draw a path around the objects which should be deleted. Then push the delete button to delete them.

MeshMixer Selected Faces

Now the remaining object / objects can be exported. File -> Export

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