Wooden Kneeling Chair

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About: I'm an Italian freelance structural engineer, graphic designer and photographer, and I'm teaching physics in Waldorf schools. I always investigate electronics, robotics and science in general, I'm a passiona...

Intro: Wooden Kneeling Chair

A kneeling chair is what you need if you have to pass a lot of time in your office.
Unfortunately this type of chairs is quite expensive and not very common. This is one reason to make your own kneeling chair, which will also make you very proud.

Step 1: References

If you surf the web looking for "kneeling chair" you will find a lot of references. There are different chair types and I chose the one which inspired me.

Step 2: Parts and Dimensions

The making of this chair is quite simple. Just look at the image to have right dimensions of every part. Cut wood bars and panels. You will need also two more thin panels with same shape and dimensions of these ones, since I updated the cushion making.

Step 3: 3D Views

Here you can see some views of the 3D model, with no cushion and wheels. This will help you to place parts together.

Step 4: Building Process

After cutting all parts with right lengths and angles and drilling holes, place parts one adjacent to the other, in the right sequence. Then insert two long dowels in the holes to check assembly. I also added some temporary wood bars to fill empty areas.
If everything fits you can glue some bars together. Look at the previous drawings to well understand which ones.

Step 5: Set Up for Dowels

The most important connections, the ones between diagonal bars and horizontal wheel supports, are made with two dowels and a screw each one, as you can see in second picture. To connect wood plates to structure you can also use only screws, which will be hide by the cushion.
Drill all holes for dowels, add glue, insert dowels, place parts together and tight them with screws.

Step 6: Kneel Cushion Board

I used glue and screws to connect the kneel cushion support to the diagonal bars.

Step 7: Seat Cushion Board

Here is the seat wood boards. Use the same technique as for the other plate.
Screws here are quite useful since surfaces are not parallel and using clamps is not simple.

Step 8: Connect Parts

While glue is drying you can connect parts together with a big dowel or metal bolt.

Step 9: Check and Finish Structure

Now use sand paper to finish surfaces and as some finishing paint as shellac or impregnating agent.

Step 10: Set Up Cushions

Here you can see that I was going to glue foam rubber to structure boards. Actually I then decided to glue rubber to additional plates so to hide fabric between two surfaces.

Step 11: Foam Rubber

As you can see I used different foam types. The black one is harder, and will avoid that kneels touch the board. Other two types are softer and they will keep fabric tense.
Remember that I glued foam rubber to additional plates, these pictures are not updated.

Step 12: Cushions Ready

Add an elastic fabric over the foam and pull it below the plate, them fast it with a staple gun. Then glue the new plates on the structure boards.

Step 13: Wheels

I had these wheels but you can use different types. I suggest swinging wheels because they will help you moving on the chair. Wheel brakes are not useful.
Mark horizontal surfaces with a long rod when chair is open in extended or middle position. Then cut away those four pieces and screw wheels in place.

Step 14: Ready to Sit

Well done, kneeling chair is now ready. Time to test it at your desk. You also can close it and hanging it on the wall when unused.

Homemade Gifts Contest 2015

Runner Up in the
Homemade Gifts Contest 2015

6 People Made This Project!

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44 Discussions

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LeandroT19

8 months ago

Hi! Nice work!!! Can you upload the sketchUp file? thanks

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JimQ8

11 months ago

This looks to be a fantastic design, please could somebody help me with the dimensions? I can't read them, no matter how hard I try.

If somebody could post the sizes/dimensions to cut that would be very much appreciated.

Thank you.

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andrea biffiJimQ8

Reply 11 months ago

In the app I can click over the pictures and see highres images...

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helenjean014andrea biffi

Reply 10 months ago

Hi, I am trying to find a better picture as well, but I am not sure which app you are talking about... (I am new to this btw :)

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andrea biffihelenjean014

Reply 10 months ago

In the Instructables app for Android just click on images to see high res version. In Chrome it should do the same...

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JimQ8andrea biffi

Reply 11 months ago

Got it, many thanks! Off to the timber yard just now...

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SJW84

1 year ago

I'm curious what hight is your desk at and how tall are you? I'm wanting to build a standing desk ankored to my wall that i can use this with and then stand if I want to stretch my legs... the standing hight would be about 42 inches.

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andrea biffiSJW84

Reply 1 year ago

I'm 190cm tall, maybe you can drill more holes in the chair so to change pivots and then geometry according to your needs...

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T0BY

1 year ago

Crikey!

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SamuelG72

1 year ago

These are supposed to be instructions or plans, but this doesn't really elaborate on the actual build.
"find plans, follow them, don't bother with the rest of this instructable." Three steps. Much simpler way to do what the author stretched to 14 steps somehow. What a waste.

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SamuelG72SamuelG72

Reply 1 year ago

Nvm I'm sorry. It does reference the important info. The measurements and plans are listed in some of the pictures. Really should be step one or two though, not an image that doesn't even show up in the instructions unless you seek it out. Next time you post shop plans include a "parts/tools needed" list and a "cut" list right at the beginning. No one is getting a box of prefab parts, so that's an important step to do before you start assembly...

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andrea biffiSamuelG72

Reply 1 year ago

there are other websites which post plans, dimensions, tools, and nothing else... but you are on Instructables! what I share are also mind process, ideas, pictures about how it works, mistakes, and I try to motivate readers to make better.

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CharlesD91

2 years ago

Meus parabéns amigo. Conheci esta cadeira a algum tempo atrás devido a um problema que tive de coluna e é realmente funcional o produto. Com esta cadeira a posição do corpo ao sentar-se, obriga-nos a ter uma melhor postura. E com relação ao projeto, gostei tanto que vou fazer uma pra mim. Muito obrigado por dividir seus conhecimentos. Saúde e sucesso!

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warriorethos2

2 years ago

andrea biffi, your instructions and diagrams are well made and in detail. Do you plan on staining or painting the wood?

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ashleyjlong

2 years ago

Well done! I like how comfortable the upholstery looks in the final piece. What are the specific benefits of a kneeling chair? My boyfriend and I both have computer heavy jobs and he's always looking for solutions to improve health and posture. Neither of us could tolerate the standing desks!