I have one htat is 2 years old and is missing a few inches on the top but I love it and it works just fine!!

Can you turn the ruler around?

some measure and cut with the ruler, others,like me, learned to measure off the mat and cut with the ruler.

i really wish i had learned to use the ruler..

I took a class once in basic quilting. She told use not to depend on the mat as they are not all the same when they are marked at different manufacturers. But, if you do it that way, you have some beautiful quilts, so I guess that is not always true huh?

i saw Alex Anderson cut using the ruler for the measurement, and i thought, that is the way to do it!
Bad habits are hard to break...i have tried! i have to actually, stop and think to do it that way..!
I know it is the better way to measure and cut..
thanks for the compliment though! but i usually don't do anything to complicated!

I have an Olfa 6 x 12 that I just adore. One corner is knicked, and I need to replace it. I just can't see with the ones with the yellowl lines.

I know what you mean. When I took the class, I was using the mat instead of the ruler to measure. And it is very hard to break the habit. After about 6 years, I now use the ruler!!

Definitely time for new ones if they become nicked, for safety reasons also. I was cutting along last week, and the rotary cutter hit a ruler nick and the cutter jumped the ruler, narrowly missing hitting one of my fingers. It wasn't even a visually noticeable nick, so I didn't think it was a big deal, but that scared me, and I went out the next day and bought 2 new rulers. I've had more than my share of quilting injuries. :O)

I would replace it.

I personally have a hard time throwing them away. I have a 3" X 24" that I used as a fly swatter and it's in three pieces now. I replaced it, but still have the other three parts that I use when I need a short ruler. I'm just cheap, what more can I say.

I vote to replace it. I actually just found some brand new (older) ones at goodwill for $1 and $2 each! I went ahead and got them. I'll have to check my ruler against our counter top. I think it's still good to go, but I have had it for a couple years so who knows. I measure by my mat b/c that's always been easier. I can't think how to measure with the ruler, especially for larger squares and things.