Well I just finished my second batch of ribs. I did 8 so I have couple of spares. Start to finish was only 15 minutes. Took longer to dig through my scraps to find stock to stack then cutting the ribs. I am happy with the notches except for the le notch. I am going to cut the remaining 4 R1 & R2 ribs. Then I'll see how I feel about recutting the R3 set over through I am out of scraps to use.