Bulge Illusion Cutting Board

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Project by PRGDesigns posted 10-31-2012 02:08 AM 6702 views 17 times favorited 13 comments Add to Favorites Watch

My version of the veritable bulge illusion cutting board. I was inspired by LJ’r SASmith in one of my first forays on LJ and others who have posted their versions since. The board is made out of Walnut and Hard Rock Maple with offsetting 1/4” Walnut and Maple dowels. The board measures approximately 15” x 15”. This project was a lot of fun. The last picture is with a circular blood groove.

Thanks for looking and another big shout out to SASmith!

-- They call me Mr. Silly

13 comments so far

View kody's profile


180 posts in 3440 days

#1 posted 10-31-2012 04:38 AM

Very nice.Keep up the great work.

View patron's profile


13722 posts in 4503 days

#2 posted 10-31-2012 04:45 AM

great work
nice and tight
and it really works well

good one

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View deon's profile


2522 posts in 4187 days

#3 posted 10-31-2012 05:33 AM

Looks great!

-- Dreaming patterns

View Ken90712's profile


18051 posts in 4351 days

#4 posted 10-31-2012 12:23 PM

Too cool…..Well done.

-- Ken, "Everyday above ground is a good day!"

View Canadian Woodworks's profile

Canadian Woodworks

702 posts in 4232 days

#5 posted 10-31-2012 01:20 PM

I so wanna make one

-- Paul Lemiski, Ontario Canada, Custom Wooden Rocking chairs and tables

View SASmith               's profile


1850 posts in 4149 days

#6 posted 10-31-2012 05:12 PM

In my opinion this is the best bulge yet.

Thanks for the mention.

-- Scott Smith, Southern Illinois

View Bob A in NJ's profile

Bob A in NJ

1353 posts in 5161 days

#7 posted 11-01-2012 01:38 AM

Nice work for sure. How challenging was it to drill the holes? Must be very patient I’m sure. Did you use a drill press or hand drill? Thanks. Bob

-- Bob A in NJ

View basie's profile


47 posts in 3226 days

#8 posted 11-03-2012 05:26 PM


View PRGDesigns's profile


255 posts in 3475 days

#9 posted 11-05-2012 08:17 PM

Thanks to everyone for their comments. To be complimented by the likes of Patron, Bob A in NJ, and SASmith is beyond words!

Bob A in NJ – the holes were the easiest part – I used a little device known as a CNC to drill the holes and cut the exterior.

Next challenge will be square pegs instead of round dowels. I have acquired the 1/4”, 3/8” and 1/2” Veritas square hole punches and plan on trying that combination to see how well it works.

-- They call me Mr. Silly

View zlatanv's profile


691 posts in 4396 days

#10 posted 03-09-2013 02:55 AM

Wow, very nice board!

-- Z, Rockwall, TX

View Canon's profile


76 posts in 2111 days

#11 posted 05-05-2019 11:20 AM

Great design. How difficult was it to create the Holes on the cnc accurately so the spacing was correct and the perimeter circle? What brand cnc do you have?
Tks Greg

View Phil32's profile


1496 posts in 1065 days

#12 posted 05-05-2019 07:40 PM

A very nice cutting board illusion. We are fascinated by illusions in chip carving as well:

-- Phil Allin - There are woodworkers and people who collect woodworking tools. The woodworkers have a chair to sit on that they made.

View PRGDesigns's profile


255 posts in 3475 days

#13 posted 05-06-2019 03:14 AM

Wow, an oldie, but a goodie post. I made these about 7 years ago. I think I made about 6-8 of them at the time.

Canon – Design was relatively easy and extremely accurate in AutCAD, which I then load the AutoCAD file into my CAD/CAM software and drill away.

We have a Legacy CNC, out of Utah.

The funny thing is, I haven’t made any of these since then, but just the other day, the wife suggested we make a bunch more of these, so I started to lay out our lumber supply to maximize the yield.

Phil32 – can’t hold a candle to your chip carving.

Thanks again for your comments, and another shout out to SASmith for the original inspiration!

-- They call me Mr. Silly

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