Photogrammetry: Software to modify/correct details in 3D objects

Question

I started to work with 123D Catch and Blender a while ago. I made some photos and created 3D object in 123D Catch. Next step is to put it into Unity.

But before it I need to correct some details (some edges have inappropriate shape, colour is missed in some places etc). I tried to import this 3D object into blender but I couldn't upload texture automatically (I watched some tutorials about mapping, but exaples are easy and my object has complicated construction). Can anyone reccomend me a software where I can correct basic stuff like egdes, shape or colour easly?

Thank you a lot.

Answer 1

• When downloading the models the textures are included as 1 or more image files.
  you can edit them in any image manipulation software (e.g. Gimp or Photoshop)
• When opening the model in blender
  make shure that you use file>import>obj
  and turn on textured mode :
  
• Mapping is not neccesary
  as the UVs are contained in the model alredy.
• After editing the shape you can
  export the model via file>export>obj or just drag the .blend file into your assets and let Unity convert it automtically.

Before you use your model in unity you should consider reducing its geometry/detail as the generated models can be very high poly. For that purpose, I can recommend "Meshlab"
Further reading: http://www.shapeways.com/tutorials/polygon_reduction_with_meshlab