# Texture not working on object

I have a project that I'm having a bit of trouble with. Let me try and explain. In short, I'm trying to apply a texture to an object, but instead it is a solid color.

I built a building in "Autodesk 123d design", and exported it as stl. Then I used an online converter to convert it to obj, then added that to the unity scene. I created a material with a texture and tried to apply it to the object, but it was a solid color.

I think the UVs on the object might be messed up. I tried some things in blender, but had no luck. Any ideas on how I can fix this?

Edit:

Here is the 3D model I'm working with: http://www.123dapp.com/123D_Design/Conisbrough-Castle-Keep/4578568

• What exactly did you try in Blender? – Ryan Henry Oct 19 '15 at 4:12
• @RyanHenry I looked at a few YouTube tutorials regarding UV maps, but as I said, I had no luck. – FelisPhasma Oct 19 '15 at 13:19

Try other richer formats such as Fbx or at least Obj when exporting from your 3D modelling program. I assume STL is only support for legacy reasons.
• 123D design only supports STL and SAT/STEP for export options. They do have their own format .123dx. Would any of those work better? If not, is there a way I can add the missing components back into the obj file? – FelisPhasma Oct 19 '15 at 13:18