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the (off center) Bulge

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Project by JL7 posted 12-28-2011 03:34 AM 3437 views 57 times favorited 40 comments Add to Favorites Watch

Thanks to Scott (SASmith) for the inspiration here. This was glued up and set aside during “the coaster project” without considering adding the optical illusion.

Scott’s post was based on this design.

So I was sanding away on this Maple and Walnut end grain board and remembered Scott’s post on the “the bulge”.....

First realization was I have the wrong number of blocks, or more specifically, no center block…...oh well, went for it anyways, thinking that I could cut off a row on 2 sides…....decided to leave it as is…...the off center bulge…...

The last pic shows the mortising machine setup using a homehand router table fence to elevate the workpiece above the fence and other bits that obstruct the full depth of the machine…. At first I clamped every hole but it seemed like time stood still so ended up just eye-balling them and it turned out ok…..

The effect turned out pretty well, better than the photos may show. It seems that the farther away you are the more pronounced the effect…

Photos 1,4 and 5 with mineral oil.

This was a fun one….........thanks again Scott…......

Jeff

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





40 comments so far

View SASmith               's profile

SASmith

1590 posts in 1640 days


#1 posted 12-28-2011 03:38 AM

Awesome. Thanks for the mention.

I see you went with the book-matched endgrain too.
Did you use 1/4” mortises?
Are those cabinet door bumpers used as feet?
How big is it?

-- Scott Smith, Southern Illinois

View JL7's profile

JL7

7190 posts in 1618 days


#2 posted 12-28-2011 03:44 AM

Hey Scott – no problem….you responded so quick it’s as if you were just waiting for the post! :)

Cool design thought – I appreciate…...

Yes 1/4” mortise and the feet are little 3M bumpers I aquired that if you use a shallow forstner bit hole, they will push and lock into place….if that makes sense….?

jeff

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

View Dusty56's profile

Dusty56

11659 posts in 2341 days


#3 posted 12-28-2011 03:45 AM

It does appear that you have an extra outside row in two directions , but I wouldn’t touch a thing .
It is an awesome illusion , to say the least : )

-- I'm absolutely positive that I couldn't be more uncertain!

View cranesgonewild's profile

cranesgonewild

344 posts in 1561 days


#4 posted 12-28-2011 03:45 AM

YOU DID IT!!!
After seeing Scott’s as well, I wanted to make this with squares as oppose to circles.
The effect is amazing.
I did notice the offset bulge right away, but it looks so cool, I’ll let this one slide.
What is the overall size?

-- I'm a Fungi --

View a1Jim's profile

a1Jim

112083 posts in 2230 days


#5 posted 12-28-2011 03:48 AM

This board turned out great ,it’s way cool.

-- http://artisticwoodstudio.com Custom furniture

View Betsy's profile

Betsy

2914 posts in 2549 days


#6 posted 12-28-2011 03:51 AM

Looks good. This is one project on my to-do list.

-- Like a bad penny, I keep coming back!

View Max's profile

Max

55959 posts in 2926 days


#7 posted 12-28-2011 03:52 AM

I really like this board. Wonderful work.

-- Max "Desperado", Salt Lake City, UT

View JL7's profile

JL7

7190 posts in 1618 days


#8 posted 12-28-2011 03:59 AM

Overall size is 12-3/4” square, 1-1/4” thick. This is also the maximum my Shop Fox machine will mortise – and the final two holes were made without the depth stop, which sits proud of the two support rods that determine the throat depth….

Thanks for the comments!

Jeff

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

View nobuckle's profile

nobuckle

1120 posts in 1414 days


#9 posted 12-28-2011 04:04 AM

That does strange things to my eyes. Very cool!

-- Doug - Make an effort to live by the slogan "We try harder"

View Dave's profile

Dave

11168 posts in 1493 days


#10 posted 12-28-2011 06:32 AM

Hey Jeff man you had me staring at that thing for a solid 5 minutes. Good stuff. I asked my wife what do you notice about this. She saw the dots were not on all sides but did not notice the center. I like it. I was holding a straight edge up to and going wow they are straight lines.
I would cut my dang finger off if I used it.

-- Superdav "No matter where you go - there you are." http://chiselandforge.com

View JL7's profile

JL7

7190 posts in 1618 days


#11 posted 12-28-2011 06:53 AM

Dave – I was pounding the square pegs into the holes and saw the lines bending before my eyes…....It was weird. The drilled holes alone won’t make the effect…it requires the contrast of color…......kinda cool science…...some people make a living figuring this out…...

Jeff

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

View derosa's profile

derosa

1556 posts in 1489 days


#12 posted 12-28-2011 07:51 AM

I have really got to try making one of these, the bulge shows up just fine without having a centerline. Looks great and hurts my eyes.

-- --Rev. Russ in NY-- A posse ad esse

View deon's profile

deon

2181 posts in 1679 days


#13 posted 12-28-2011 09:46 AM

Great work!

-- Dreaming patterns

View deon's profile

deon

2181 posts in 1679 days


#14 posted 12-28-2011 09:49 AM

Great work!

-- Dreaming patterns

View SPalm's profile

SPalm

4808 posts in 2535 days


#15 posted 12-28-2011 03:18 PM

Yow. That is amazing.
And your routed handhold does not have any router burn. Good job.

Steve

-- -- I'm no rocket surgeon

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