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Andromeda Puzzle - free plan source cited

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Project by USCJeff posted 10-26-2011 01:41 AM 3004 views 9 times favorited 13 comments Add to Favorites Watch

First things first. . . This isn’t an original creation of my own (in fact, it’s not the first one of the design posted to Lumberjocks either). The source for the free plan is found here:

http://www.craftsmanspace.com/free-projects/andromeda-puzzle-plan.html

I’ll add that there is a LOT of good stuff found at the same place. Great CAD drawings and PDF files make it one of my favorites (free is good too).

On to the project. This was attempt #2 and I am overall satisfied with it, but at the same time there are a couple details more I’d be able to solve with another attempt. It seems easier than it is. It isn’t too difficult though. The key here is exact measurements when setting up cuts. It’s a puzzle and is supposed to assemble tightly, but without forcing.

My main tip would be to gang cut multiple parts. If all the 50mm cuts, for example are off a tiny bit, they still match or at least can be tweaked without wasting them. There are really only a handful of measurements involved and they are duplicated on other pieces. Multiples of 10mm up to 50mm are the main ones. Using cutoffs to assist measuring these distances help in checking accuracy of the fit.

As for the puzzles difficulty (solving that is), it’s definitely closer to the hard side than easy. I penciled numbers on the pieces while learning the assembly. After a couple times doing you should be able to sand off the numbers and do it by memory of the shapes. Order is everything on the assembly for this one.

This one is Oak. I butchered a mahogany one and decided to go with cheaper boards to practice. Using multiple exotics looks cool as well. Expect about and hour or two to make the cuts as well as finish. I rubbed Watco on it, so it wasn’t too involved.

-- Jeff, South Carolina





13 comments so far

View sedcokid's profile

sedcokid

2680 posts in 2294 days


#1 posted 10-26-2011 04:12 AM

Thats quite a puzzle their Jeff!! Great Job….

Thanks for sharing

-- Chuck Emery, Michigan,

View Michael Wilson's profile

Michael Wilson

587 posts in 1186 days


#2 posted 10-26-2011 06:13 AM

Nice! My mother has an antique version of this exact puzzle in aluminum. I tried tracing out the pieces with an eye towards making a set, but seem to have screwed up the parity on at least one of the pieces.

I never quite got the finger-feel for solving it ;)

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1810 days


#3 posted 10-26-2011 07:26 AM

congrats with your new woodknot :-)
they are always a great conversation piece thrown into a party
be sure to do it on the person that always have the answers … just to humble them a bit when
they don´t have the answer to this …. LOL
its a great little project to let children make when they are just over the first few things
and have learned to use a plane and meassurring right that will increase the skills alot

I still have mine made 38 years ago in primery school in Sloyd :-)

the solution to assample this puzzle is to start with the two looking most difficult to make
and then continue down to the easyest to make …. :-)

gooood luck
Dennis

View redryder's profile

redryder

2200 posts in 1797 days


#4 posted 10-26-2011 09:07 AM

Nice project and your right, the web link you posted has a lot of neat ideas….............

-- mike...............

View abie's profile

abie

603 posts in 2466 days


#5 posted 10-26-2011 03:59 PM

I’ve made several of these types of puzzles.
Best advice is to use a jig to make many of the same pieces either a router jig as shown in an earlier LJ site or a dado jig with hold downs to keep the pieces stable.
I have at least twelve sited bookmarked to make wood puzzles and will be happy to share with others.
BT

-- Bruce. a mind is like a book it is only useful when open.

View Paul's profile

Paul

347 posts in 2285 days


#6 posted 10-26-2011 10:04 PM

I read your project and went to the workshop to try my luck, four hours later I had one that ‘kind of’ works. I will make some more and do a better job, certainly a skill builder project as the measurements must be exact. Thanks for posting it!

-- If you say 'It's good enough', it probably isn't.

View USCJeff's profile

USCJeff

1044 posts in 2763 days


#7 posted 10-27-2011 01:25 AM

You’re right on Dennis as far as the strategy. The first two pieces are the hardest to get right as they are more complicated cuts and the puzzle has the least shape at that point. I hadn’t thought about the order of the pieces being in sequence with their complexity, but they are. The first two are similar is a lot of ways. Three, Four, and Five share a lot of the same measurements. Part 6 is untouched, so it’s last.

A jig would whip these out fast as Bruce said. I used a typical shop built wooden fence on my miter guage. I use a sliding stop for multiples. I’ve used pencil marks on the fence itself as well. A true jig with hold downs would be ideal, but it wasn’t feasible for me with the time I wanted to spend on this one. If I were making several as gifts or what not, I’d say the jig would be worth the effort.

-- Jeff, South Carolina

View USCJeff's profile

USCJeff

1044 posts in 2763 days


#8 posted 10-27-2011 03:33 PM

I HAVE to put a funny kid moment on this one. My 4 year old son is obsessed with things like Lego’s and the like as he likes to build things. 3D puzzles fit the bill as well. He tried a long time to solve this one even though I advised him it might be a little too complicated. That eventually led to him taking it apart (a feat in itself) and making me do it many times.

Anyways, he came up to me today with all these different Lego builds in abstract forms and told me it was a puzzle. I had no idea what it was to make or if it made anything recognizable (likely not). He informed me it might be too complicated for me! Turn about, I suppose.

-- Jeff, South Carolina

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1810 days


#9 posted 10-28-2011 01:30 AM

Jeff …. LOL …......thats what happen to us when we think we are sooooo clever
they just know how to make us humble again …... :—)))))))

the way I see theese kind of puzzles to be made by children and newbii´s like me
is that they realy learn you to meassurrre correct and learn you to use a saw , plane ,
cheisel ,square ,marking gauge and having fun at the same time :-)

take care
Dennis

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1810 days


#10 posted 10-28-2011 01:36 AM

I was just at the link and saw something funny the way yours is made in the different cuts
is different from the one I made in the school ….. funny to see there is more than one way
of making this woodknot …. yours seems to be a little easyer to cut

Dennis

View USCJeff's profile

USCJeff

1044 posts in 2763 days


#11 posted 11-21-2011 05:02 AM

OK, decided to try a couple more of these. It’s been fun to let people try them. My parent’s went at it for a while before asking for tips. Their the type (myself as well) that doesn’t like to admit defeat. I’m also the type that revels in stumping someone. Looking at the designs of these burrs from several sources, I’d put this design in the middle of the pack as far as difficulty to solve (and this to make as well). I wasn’t able to solve it without knowledge of the position of the first two pieces and I cut the thing. Feel free to send some puzzle links to me if you got some good ones. I’ve found a lot of good free one’s, but if you know a good one, share the wealth! Thanks.

-- Jeff, South Carolina

View USCJeff's profile

USCJeff

1044 posts in 2763 days


#12 posted 11-23-2011 06:39 AM

OK, my Mom was able to do it after only giving her the position of the first 2 pieces. Got to be fair there. Got a trickier one almost done for the Thanksgiving get together.

-- Jeff, South Carolina

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1810 days


#13 posted 11-23-2011 12:55 PM

:-) you know better than trick mom …. even though they endless love for you.. they hit back hard….lol
I will see if I can find all those wood puzzle I have
but don´t hold your breath I have to get thrugh 43 moving box ´s its a hell puzzle to gess
what box a thing is in … so it will be when I open a box and see one of them … so maybee
in a seven years time from now … :-)

Dennis

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