Solve an error in a flash tile visualizer application

Avg Bid (INR)
Project Budget (INR)
₹1500 - ₹3000

Project Description:
Hello, here is the link of a flash app visualizer:

I am getting error in the grout (lines between tiles) in the floor section. It is not displayed evenly. Can you solve this?

Skills required:
ActionScript, Adobe Flash, Flash 3D
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₹ 7000
in 5 days
₹ 3000
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₹ 3000
in 0 days