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Tripp Trapp high chair clone

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Project by John133 posted 08-12-2017 10:04 PM 723 views 3 times favorited 6 comments Add to Favorites Watch

There have been several older posts on cloning the Tripp Trapp chair and it has been something the wife has been wanting for the home school room. So it was about time to get to work!

We have one of the originals and it is hard to beat the functionality of adjustment as the kids grow… but I didn’t want to pay for 3 more. So measuring off the original and reading the previous posts… I was able to come up with the following. I utilized plywood scraps I had laying around the garage for almost the entire build.

The leg to foot assembly is a half-lap joint which i increased to approximately 1 1/4in thick instead of the original 1in thick… the back rests were 1/2in plywood laminated to just over 2in thick and then cut out on the bandsaw (wasn’t ready to try bend lamination yet). My cross-braces are 12mm Domino stock (wanted something made of hardwood), but 1/2in dowel should work just as well. The hardest part was the mortises for the backrests… I laid out the center location for the holes and drilled with 1/2in bit then connected with router free hand. I will probably make a jig in the future. The grooves/dados were cut with router bit of that profile but the tip that really helped here was to assemble the legs and then run the foot against the fence instead of attempting with a miter gauge. It helps that I have the Incra system so getting back to the same center line for each successive pass after raising the bit was helpful. I attempted to drill and tap the holes so that I could use bolts to assemble the side legs and squeeze the seat and footrest…but after beating my head against this wall for too long, I realized that a long, beefy wood screw would be fine as I will only need to back it out about 1/4in in order to get enough play to adjust the seat and footrest height in the future. This was much simpler and I could use the previous holes as my pilot holes for the 3in x 1/4 Spax screw (needs T30 bit) to pull it all together. As you can see these are tough little chairs (I’m right at 200#).

As a way to give back to this awesome community of ideas and helpful tips…I’m going to try and upload the Sketchup file I created (thank you JayBates for the tutorials). So try this link if you would like to see the file: https://drive.google.com/drive/folders/0BwK9UHsqTcqtTmRORGlfWTVQQTQ?usp=sharing





6 comments so far

View Deanoside's profile

Deanoside

31 posts in 140 days


#1 posted 08-13-2017 05:10 AM

Cool idea looks good

-- A learning man is Alive a learned man is dead

View helluvawreck's profile

helluvawreck

29158 posts in 2703 days


#2 posted 08-13-2017 06:47 PM

This is a nice high chair.

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 Monte Pittman's profile

Monte Pittman

27071 posts in 2175 days


#3 posted 08-13-2017 07:12 PM

Made one for a friend, that was enough.

Yours looks like a really nice job.

-- Mother Nature created it, I just assemble it.

View Andreas01's profile

Andreas01

5 posts in 127 days


#4 posted 08-14-2017 08:05 PM

You have done a fine job! Looking good!

View kaerlighedsbamsen's profile

kaerlighedsbamsen

1234 posts in 1550 days


#5 posted 08-22-2017 08:09 AM

Looks good. Are the kids happy?

-- "Do or Do not. There is no try." - Yoda

View Roams's profile

Roams

1 post in 93 days


#6 posted 09-12-2017 07:30 PM

Fine job although I think the wood choice for such a nice piece could be different.

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