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I've been plagued for years with a 1 car garage that did not allow space for a workbench.  I finally decided I've had enough and needed to come up with a workbench that would fold away to allow parking of my wife's car, as well as be sturdier than the 2 plastic sawhorses + piece of plywood I've been using.



Supplies:
5 - 2x4’s
22+ – 3” Wood Screws
18 – 2” Wood screws
3 or 4 – Old door hinges
18 – 1” Wood Screws
2 – 3/8”x3 ¾” Bolts
2 – 3/8” Nylon lock nut (Nyloc nut)
6 – 3/8” Washers
1 – 3/8” – Drill bit
1 – 4’x8’x¾” Sheet of Plywood
2’ – Web strapping (or rope to be used for handle)

Tools:
Saw
Drill
Measuring tape
Level
 
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Step 1: Dimensions

Picture of Dimensions
Determine desired Length and Height of workbench. For the legs of the bench to fold up inside of the table top, your length will need to be at least twice the height plus some.
The Depth of your workbench will need to be less than your Height. (In my case I had to deal with the Footing extending up past the floor so my Depth was 4” less than my Height) If you get your Height just right, your workbench will rest on the floor when it is folded down.
My dimensions: 79” long, 36” high, 32” deep


Step 2: Build

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Use three 2x4’s and some deck screws to build the workbench frame using the dimensions you came up with in Step 1. I put 1 cross member in the very middle of the frame.

Trim another 2x4 to be at least 4” shorter than the length of workbench (let’s call it the Swingframe). Center the Swingframe onto the underside of the workbench frame. Secure it to the frame using the Old door hinges and 1” screws. Mount the hinges so the hinge pin is facing out from the 2x4’s. This allows the weight of the workbench to be fully on the Swingframe.

(I saved the leg building for last, to account for the uneven/slantyness of the garage floor.)

Step 3: Step 3 Mount

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Mark your workbench height on the wall and draw a line using the Level as a guide.

Using the deck screws mount the Swingframe and workbench frame to the wall. I used 2 screws in every stud it covered. (It helps to have a friend or two hold the frame in place at this point, because you haven’t made legs yet)

Once you have it mounted on the wall give it a few test swings to be sure you clear the floor.

Step 4: Legs + Tabletop

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Hold the workbench in the open/up position and measure the distance to the floor in the two front corners.

Cut the remaining 2x4 to these lengths (they may differ depending on the slant of the floor).
Holding the legs, in place drill a 3/8”hole through the frame and leg.

Trim the top corners off of the legs to allow them to swing freely.
I also made a cutout on the outside of the leg to allow them to overextend and rest against the sides of the frames. I didn’t want a leg to fold up on me while working on the bench.

Insert bolt in this order, bolt-washer-frame-washer-leg-washer-nut. (Not sure if the washer between the frame and leg are necessary but seemed like a good idea). I got carried away and countersunk the bolt into the frame. Not necessary but I didn’t want it to snag on my clothes.

Step 5: Top and Handle

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I tied the web strapping around the front of the frame to use as a handle.

Cut the sheet of plywood to the size of your workbench frame and mount using 2” wood screws.

Enjoy your new fold-downable workbench, it's sturdiness and space-savingness will be the talk of the town.

Germy4 years ago
Nice instructable...I recently made a drop table for extra counterspace in my kitchen.

You might add a removable bolt-on-a-string that can be inserted into a second hole through both legs and frame so that when extended, the leg can't be kicked out accidentally and risk your work crashing down. You could then use the same removable bolt and another hole near the center of the frame to lock the leg in when being stored against the wall.
jooknon (author)  Germy4 years ago
The pin is a good idea. But I tried to avoid that by incorporating the little cutout on the outside top of the legs. It allows the leg to open greater than 90 degrees, and the frame is resting on that notch. My thinking was that to accidentally kick the leg in you would have to use enough force to lift the whole side of the workbench enough to swing the leg....if that makes sense.
Oh and also, when folded down I wanted the front of the table to either rest on the floor or be just above it. So the pins might get in the way of that.

Good thoughts though I appreciate it.
ToolboxGuy jooknon11 months ago

Ah, splayed legs like a picnic table, only less pronounced.

Michello712 years ago
This is great! It's exactly what i was looking for. Do you have any idea what it's weight capacity is? Or have you had any problems with excess weight?

Thanks.
jooknon (author)  Michello712 years ago
I actually did get to use it to much before I moved. But if your legs are straight and the 2x4 across the back is screwed well into the studs, it should hold a couple hundred pounds.
Step 1: Tell your wife to park in the driveway.
jooknon (author)  Yerboogieman3 years ago
Ha, you first.