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Trammel of Archimedes

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Project by Andreas posted 767 days ago 4064 views 38 times favorited 13 comments Add to Favorites Watch
Trammel of Archimedes
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A Trammel of Archimedes made from walnut and maple. A fun birthday gift for my nephew.





13 comments so far

View Mark Shymanski's profile

Mark Shymanski

4995 posts in 2317 days


#1 posted 767 days ago

Intriguing, nicely animated also.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View Diggerjacks's profile

Diggerjacks

1738 posts in 1743 days


#2 posted 766 days ago

Hello Andreas

A nice project

I have already seen this : A jig to cut an ellipse with a router

Thanks for sharing

-- Diggerjack-France ---The only limit is the limit of the mind and the mind has no limit

View tyskkvinna's profile

tyskkvinna

1308 posts in 1590 days


#3 posted 766 days ago

I have been working one of these for myself for a few days now.. :) They’re so intriguing!

-- Lis - Michigan - http://www.missmooseart.com - https://www.etsy.com/people/lisbokt

View TopamaxSurvivor's profile

TopamaxSurvivor

14618 posts in 2280 days


#4 posted 766 days ago

Looking good! Gives me an idea for a marble pump ;-)

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View Hawk9's profile

Hawk9

56 posts in 1401 days


#5 posted 766 days ago

Ah!! The old BS grinder. First saw one of these back in ‘58-’59. Glad to see it’s still around for another generation. Nice project though.

View gfadvm's profile

gfadvm

10603 posts in 1294 days


#6 posted 766 days ago

I posted several of these but I think you have a different design yet. Looks like it works smoothly. The animation is cool but WAY beyond my computing skills.

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

View Danpaddles's profile

Danpaddles

534 posts in 916 days


#7 posted 766 days ago

Smoke grinder, is how I heard them called. I like the pop rivet idea~ no screws to come loose.

I hate loose screws. Well, aside from a few old friends.

-- Dan V. in Indy

View oldnovice's profile

oldnovice

3638 posts in 1972 days


#8 posted 766 days ago

Good job. These are fun to make and you did a good job.

I made one of these out of left over maple, about 25 years ago, and kept on my desk at work. Every time my engineering manager came to my cubical he would pick it up and play with it!

After a few months he finally asked me what this is, or called, and I told him it was a ”bulls..t grinder”! He never put two and two together and now you know why I made it just for him!

These things never get old!

-- "I never met a board I didn't like!"

View syeret's profile

syeret

96 posts in 1921 days


#9 posted 766 days ago

Like.

View majuvla's profile

majuvla

3270 posts in 1472 days


#10 posted 765 days ago

Awsome animation.Great project.One of jigs I would like to have in my garage.

-- Ivan, Croatia, Wooddicted

View BigTiny's profile

BigTiny

1664 posts in 1492 days


#11 posted 762 days ago

Made one of these in Jr High shop class over 50 years ago. Teacher called it an air grinder back then. PC was in action there I think. I’ll bet he called it something else to adults.

Paul

-- The nicer the nice, the higher the price!

View DeLayne Peck's profile

DeLayne Peck

335 posts in 806 days


#12 posted 759 days ago

These are great for the fidgity folks that visit your office. Or, give one to the “Cranks” in your life.

Nicely done!!!

-- DJ Peck, Lincoln Nebraska. I think of my shop as Fritter City. I am the Mayor.

View Dave Dufour's profile

Dave Dufour

244 posts in 583 days


#13 posted 552 days ago

Very cool

-- Dave, from Canada, http://simplywoodproducts.ca

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