5 Cuts to a "Perfect" Cross Cut Sled

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Blog entry by wnwoodworkingschool posted 911 days ago 14480 reads 210 times favorited 50 comments Add to Favorites Watch

I’ve been getting a few email requests for a video on how I calculate the error ratio and how to correct and construct a cross cut sled that’s dead on square. I’ve been demonstrating this at the Woodworking shows for the past 5, 6 years and I still get emails asking me about the error ratio calculations. So here it is.

Material List for sled:
Runners: 5/16” x 3/4” x 30”
Base: 1/2” x 34” x 30”
Front Fence: 1-1/2” x 5” x 30”
Rear Fence: 1-1/2” x 5” x 26”

Please check out my website for more videos.

-- William Ng, Anaheim, CA.

50 comments so far

View gfadvm's profile


10737 posts in 1323 days

#1 posted 911 days ago

An excellent and very informative video! I favorited it and this is how I’ll build my next sled. He made this a lot simpler than others and the precision really appeals to me. Thanks a lot for taking the time to do this for us!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View JL7's profile


7127 posts in 1598 days

#2 posted 911 days ago

Great video – appreciate you doing all the math! Great design.


-- Jeff - I have not failed. I've just found 10,002 ways that won't work.

View dakremer's profile


2450 posts in 1724 days

#3 posted 911 days ago

“i cant afford to take another hit” – funniest thing I’ve ever heard!

You’re a good looking man – and I’m in love with you (now that you’ve showed me this) :) :)

-- Hey you dang woodchucks, quit chucking my wood!!!!

View phil619's profile


35 posts in 2084 days

#4 posted 911 days ago

Great video William. Attended one of your classes has greatly improved my woodworking.
Thanks for for sharing your skill and knowledge with us.

-- Building fine furniture in my driveway.

View HillbillyShooter's profile


4509 posts in 925 days

#5 posted 911 days ago

Thanks for a great presentation.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View FirehouseWoodworking's profile


622 posts in 1906 days

#6 posted 911 days ago

That was a great presentation. Well done video presentation and quite an education on the technique!

Thank you for sharing! Can’t ever teach an old dog ENOUGH new tricks!


-- Dave; Lansing, Kansas

View eddie's profile (online now)


7273 posts in 1247 days

#7 posted 911 days ago

you are a good teacher and i learned a lot ,thanks will check out your videos great job. got to favorite this too. thanks for sharing and welcome to LJs hope to one day catch one of your classes

-- Jesus Is Alright with me

View helluvawreck's profile


15623 posts in 1499 days

#8 posted 911 days ago

I’m at work right now but I watched the first five minutes of this and will definitely come back and watch this video this weekend. Thanks for posting this. I also went to your site. It’s really nice.

helluvawreck aka Charles

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View Cory's profile


723 posts in 2052 days

#9 posted 910 days ago

Wow, what a great video. I feel like I just attended your school, without the expensive airfare!

-- The secret to getting ahead is getting started.

View sailorjo70's profile


24 posts in 977 days

#10 posted 910 days ago

great info thats how i will build my next sled thanks for thanks for a great video

-- george Nl,Canada

View barecycles's profile


253 posts in 961 days

#11 posted 910 days ago

William, thanks so much for making this available. I can’t wait to get home this evening and double checking my sled. I kinda hope it’s off so I can make a new one per your design!

-- Sweeping up sawdust in Texas

View ClayandNancy's profile


479 posts in 1648 days

#12 posted 910 days ago

I’m getting ready to make my first sled. Your video is going to make that process a lot easier, Thanks for your time and expertise.

View greenguitar's profile


4 posts in 2226 days

#13 posted 910 days ago

Thank you so much. I learned so many things from your one video. Your explanations of “whys” and “hows” were very valuable. Thank you for making this video available.

-- Stu - Time is God's way of keeping everything from happening at once.

View rkober's profile


127 posts in 925 days

#14 posted 910 days ago

Thanks William! I could have used that a couple weeks ago when I made my sled. Fortunately my design is pretty close to yours and I just need to fine tune it with your method now.

-- Ray - Spokane, WA - “Most people don’t recognize opportunity because it’s usually disguised as hard work.” - Unknown

View Billp's profile


784 posts in 2833 days

#15 posted 910 days ago

William you are hands down the best woodworking instructor I have listened to date and I’ve listened to a lot of videos. Thanks for sharing with us.

-- Billp

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