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Expanding trivet: Penrose

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Project by Woodbutchery posted 12-04-2017 02:02 PM 719 views 8 times favorited 7 comments Add to Favorites Watch

The latest version I have of an attempt to make the Penrose expanding trivet.

This one has a few features that will help to keep the assembly together (other versions I built had a tendency to come apart if they weren’t on a flat surface).

I blogged a build here, which has more detail on the particulars of cutting and assembling these.

I’ve got about 15 more that need to be done for Christmas gifts.

As always, comments/suggestions are always welcome.

-- Making scrap with zen-like precision - Woodbutchery





7 comments so far

View Albert's profile

Albert

491 posts in 3426 days


#1 posted 12-04-2017 02:25 PM

I’ve made quite a few of these and they are always good gifts. One suggestion to keep them from coming apart I’ve been gluing a small 1/4 inch dowel in the center part after they are assembled, just drill a hole before assembly and then glue the dowel in after they are put together. Hope it isn’t too confusing, I would add a picture if I knew how but I could email you one if you want.

Albert

View Eric_S's profile

Eric_S

1565 posts in 3032 days


#2 posted 12-04-2017 07:37 PM

I’m making 3 of these as we speak. I like the dado’d track you added.

-- - Eric Noblesville, IN

View Woodbutchery's profile

Woodbutchery

358 posts in 3422 days


#3 posted 12-05-2017 02:54 AM

Thanks, Albert, but I came up with what I think is a good solution, no drilling needed.

Glad to hear, Eric. The dowel is an easy fix to an issue I was having with the assembled pieces wanting to fall apart if they weren’t resting on a flat surface. Read the blog and you’ll see that I use paste wax to lubricate the track for easy sliding of the pieces.

-- Making scrap with zen-like precision - Woodbutchery

View majuvla's profile

majuvla

11190 posts in 2704 days


#4 posted 12-05-2017 08:07 AM

I saw that earlier, but I’m always impressed when someone actualy make it – requires some level of craftmanship.

-- Ivan, Croatia, Wooddicted

View Woodbutchery's profile

Woodbutchery

358 posts in 3422 days


#5 posted 12-05-2017 11:38 AM

Thanks, Ivan.

I’ve learned a thing or two, but still plenty more to learn. ;-)

-- Making scrap with zen-like precision - Woodbutchery

View helluvawreck's profile

helluvawreck

29158 posts in 2703 days


#6 posted 12-05-2017 01:40 PM

This is a very creative trivet. Nice work!

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View Woodbutchery's profile

Woodbutchery

358 posts in 3422 days


#7 posted 12-05-2017 02:16 PM

Thanks, Helluva.

-- Making scrap with zen-like precision - Woodbutchery

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