Hello,
Thanks for posting this job on Freelancer.
As per your requirements, we are perfect match to the skills and expertise required to do this job for you.
Pertaining to your requirements,here is my appropriate response.
You are looking for a video Walk-through in Unity which will be made in Unity 3D Platform.
We also have CAD Experts which if required we can first design it in Solid works and then implement that in Unity 3D that can be a Considerable task for the same.
If you can allow to have an opportunity to discuss more in details through Skype or any communication medium that can be extremely user friendly to discuss regarding your project in very much detail
Willing to hear back from you soon
Kind Regards,
HiveInfotech_ KM