Introduction: Tall Chair for a Standing Desk
I know what you're thinking:
Well this is just stupid. A tall chair for a standing desk?? How moronic!
Just hear me out, if you will. Here's the story:
About 6 months ago I got sick of sitting all day at my desk (despite my brand new wooden floor mat) and decided to convert my desk to a standing desk.
I have enjoyed this tall desk set-up immensely, and have kept using the wooden floor mat to protect the carpet from unnecessary wear.
However, there were times where I just felt like sitting for a little while.
I had no desire to build or buy a desk that raises and lowers. Since I already had a comfy office chair that wasn't seeing any use, I decided to just build a tall extension base for it.
Now I can stand for while and sit for a while, depending on how I feel at any given moment. It's great!
The base is made from a handful of common 2x4 framing studs, some glue and screws, and a bit of paint. The primary tools I used were my band saw (a jig saw or hand saw would work just fine) and a couple of drills.
If you're interested in making something similar I hope you'll find this tutorial helpful.
Step 1: Cut Pieces
The base of my office chair has five legs so I decided to build a five-armed structure to support those legs directly.
Ten pieces of 2x4 were cut 14 inches long, with a centered 72-degree angle on one side and a rounded over end on the other.
I then cut out four 12-inch discs from 1/4" MDF scrap which will be used as braces for the top and bottom arm structures of the base.
If you're making something like this, depending on your chair and your height you'll have to adjust the measurements accordingly.
Step 2: The Wooden Starfish Stage
If you mark and cut everything accurately you should have five arms that meet together nicely.
For the top set of arms on mine I needed to cut the pointy tips off to make room for a pipe that extends below the base of my office chair (photo 3).
Step 3: Layout Guide
Prior to gluing up the arm structures, I drew a layout guide on some scrap material to help make sure the pieces were all fastened together precisely.
Step 4: Glue Up Arm Structures
The arm structures were fastened together with the MDF disc/braces with wood glue and screws that were fastened into pre-drilled and countersunk holes.
Vertical support pieces were cut at this point as well.
Step 5: Add Vertical Supports and Horizontal Braces
Vertical support pieces were cut and glued in place at this point, joining the top and bottom arm structures.
To do this, I put a bit of glue on both surfaces to be joined and then added screws through pre-drilled holes.
I then added horizontal braces between all of the vertical supports in the same fashion.
Note: Please disregard the height of the base at this point! I grossly mis-measured the needed height, and after testing it, I had to remove the screws, knock it apart, trim the vertical supports, and re-fasten it all back together. The procedure didn't change, so I chose to not re-shoot the photos for this step.
Step 6: Paint and Add Wheels
I painted the base with flat black paint, and then added the original casters from the office chair. These were simply press-fit into 7/16" holes drilled in the wooden base.
Step 7: Fasten Chair to New Base and Enjoy!
The chair was fastened to the new base with 5/16" 3-inch long lag screws through the holes that held the casters in their original location. Be sure to pre-drill the holes for lag screws like this.
If needed, I could remove the casters from the new base and reinstall them into the chair, say, if I ever wanted to sell it in its original condition.
I wish I had made this sooner; it's been a great mod and is rock solid.
While I still spend the majority of my day standing, I now have a comfy place to take a load off but keep on working.
Thanks for taking a look!
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