Fractured Moon

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Project by KnotCurser posted 09-24-2011 01:37 AM 2180 views 13 times favorited 18 comments Add to Favorites Watch

This is a solid sphere of Mulberry weighing a tad over 18 ounces and measuring around 4” across the middle.

As far as I can tell it’s pretty much a perfect sphere – at least to the naked eye.

The cool thing is that I did this without a lathe – only my router table and a very simple jig!!!

I have made over a dozen of these spheres so far, but this is most certainly the largest one I have made so I thought I would show it off on LJ’s.

A year or so ago I stumbled on a very “inventive” woodworker from Japan that comes up with really novel ways of doing things with woodworking tools that one would never normally do. Mind you I didn’t say SAFE ways – some of his videos scare me half to death!

This was one of his safer inventions – he has this and a TON of others at the following YouTube Site:

Warning! You will wind up spending HOURS viewing these videos if you are anything like me! ;-)

The Jig, as you can see in the last two pics, consists of a piece of plywood with a hole in it – I rounded over the hole with a router. It is centered over a router bit and the piece is then moved around and any high spots are taken off by the bit. Easy, but you have to constantly adjust the height of the bit.

After I got the piece as round as I could with the bit, I switched to a two inch sanding pad and worked my way from 60 grit up to 180 grit.

I then used a clear glass jar to ensure it was perfectly round – it is amazing how easy this was to get round!

A couple of coats of brush-on lacquer and three coats of wax and all done!

Now, I just have to figure out what to do with this! ;-)


-- Robert Rhoades WoodWorks / Email: /

18 comments so far

View Wes Giesbrecht's profile

Wes Giesbrecht

155 posts in 2810 days

#1 posted 09-24-2011 01:56 AM

Can’t see the bit very well. What profile or style is it?

-- Wes Giesbrecht

View CharlieM1958's profile


16274 posts in 4217 days

#2 posted 09-24-2011 01:57 AM


I love it.

-- Charlie M. "Woodworking - patience = firewood"

View Roger's profile


20928 posts in 2803 days

#3 posted 09-24-2011 02:00 AM

very interesting

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed.

View KnotCurser's profile


2025 posts in 3067 days

#4 posted 09-24-2011 02:01 AM


I just used a simple straight 3/8” bit – as long as it cuts on the bottom of the bit it will work – I have also used a small bowl cutting bit as well.

See here for an example:

-- Robert Rhoades WoodWorks / Email: /

View B13's profile


463 posts in 2692 days

#5 posted 09-24-2011 02:04 AM

That’s cool! It looks like a moon. any other Info. would be great! thanks!

View DaleM's profile


958 posts in 3382 days

#6 posted 09-24-2011 02:07 AM

Dang you bob. You just posted this and I’ve already spent about 20 minutes looking through the Youtube videos from the link you posted. To be fair to you; you did warn us. Probably the best way I’ve seen to make a sphere yet. Maybe I’ll make one out of some Osage for an even more yellow look.

-- Dale Manning, Carthage, NY

View KnotCurser's profile


2025 posts in 3067 days

#7 posted 09-24-2011 02:07 AM


What info would you like? I would be happy to answer any questions you may have – just LMK!


-- Robert Rhoades WoodWorks / Email: /

View Mark's profile


1807 posts in 3272 days

#8 posted 09-24-2011 02:52 AM

Wow…Now the first thing (other than the beauty) that caught my attention was… can you make me a bowling ball? :P Thats awesome..

-- M.K.

View Mark's profile


1807 posts in 3272 days

#9 posted 09-24-2011 03:09 AM

Ummm… so ya I just watched a few of his videos (including this project) which he has quite the ideas but what I wanna know is… HOW THE HECK DOES HE STILL HAVE HIS FINGERS!!!

-- M.K.

View grosa's profile


1004 posts in 2827 days

#10 posted 09-24-2011 03:36 AM

All I can say is ” It’s gonna getchya” sooner or later.

-- Have a great day.

View SPalm's profile


5320 posts in 3880 days

#11 posted 09-24-2011 03:44 AM

That is cool.

I just returned from watching videos for the last hour. Yikes, but fun The guy has published a lot of interesting ideas.


-- -- I'm no rocket surgeon

View Randy_ATX's profile


878 posts in 2440 days

#12 posted 09-24-2011 04:02 AM

Love it. Thanks for posting the project and the link – I’m going to view it now.

-- Randy -- Austin, TX by way of Northwest (Woodville), OH

View peteg's profile


4284 posts in 2821 days

#13 posted 09-24-2011 05:21 AM

Tricky stuff Bob, great result :)

-- Pete G: If you always do what you always did you'll always get what you always got

View rance's profile


4258 posts in 3159 days

#14 posted 09-24-2011 07:05 AM

I’ve wanted to do one of those. I wasted many hours on those videos over a year ago. I know better than to go look at that one again. Thanks for posting. Nice job on the sphere.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View pariswoodworking's profile


386 posts in 2483 days

#15 posted 09-24-2011 08:09 AM

Wow, that looks great. It does look like a moon. For some reason, it also reminds me of of a piece of fruit. Very cool.

-- Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein

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