Rolling Cable Guide

This is to keep cables off the floor so they don't get dirty when I mop. It rolls.
I got the wheels here:
http://detail.tmall.com/item.htm?id=39678110268

The plastic wrap here:
http://item.taobao.com/item.htm?id=20892748696
This one: Ф16mm银灰色

This design has some problem. Needs too much support. Probably best to redesign for yourself. You can have a try and see.