Hi,
I completed a small experiment and uploaded it here:
https://www.shapeways.com/model/294913/
First, I created the model in Sketchup8. I created it in Sketchup using centimeters as my unit measure. In Sketchup, the cube edges are 25 centimeters long. In Shapeways, I'm hoping to print these as 25 millimeters long.
Then I exported the model as a Collada DAE file. I imported into MeshLab from which I exported as STL. I did this so I could check for water tightness in AccuTrans 3D.
Everything checked out so I uploaded the model you see above and set the units of the uploaded model to millimeters.
So I'm having two problems. First, all the letter i's and the one dash in the text were removed. These are all visible in the 3 programs I mentioned above.
Second, the size of the model is shown as height 1.0cm x width 3.1 cm x depth 2.4cm. It should be height 6.0cm x width 7.8cm x depth 2.5cm. The scale factor of about 2.5 seems to be suspiciously close to the ratio of centimeters to inches.
Any ideas as to what might have gone wrong? Or other things I should try?
Thanks,
Mike