For those of you who haven't tried it, I suggest you have a look at Autocad 123D Catch from http://www.123dapp.com
It builds a 3D model from a series of photos of an object.
You upload the photos to their web site, it builds the model, which you can then download and save in various formats, including OBJ.
If you install Fluidimporter OBJ importer for Sketchup you can then import the model to Sketchup. The result is mind-blowing.
One word of warning. The supplied example that comes with 123D Catch, namely photos of a statue of Buddha, does not work properly. Various errors occur when trying to upload and process the photos. Here is what I had to do to get it to work:
- Rename all the photos to remove the leading underscore
- Open all the photos in 123D Catch
- Click on Organise Images
- Delete all the individual photos and small groups, leaving just the two big groups of photos
- Compute Photo Scene
- Save as OBJ
- Download and install Fluidimporter
- Start Sketchup
- File/Import (Files of type OBJ) - select saved file
Note that it is 13.5Mb in size, due to the large poly count. I just used the default mesh size, which can be changed in 123D Catch. The only other thing I did was open and re-save the texture file, which shrunk it from 4.5Mb to about 800k.
I also didn't pay too much attention to the size units. Once imported it showed as 20m tall so I resized it in SU to be 20cm tall, but that can be done during the Fluidimporter import I believe.