How to make a flat pack plywood picnic table.

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The picnic tables are made from a single sheet of plywood, take about 30 minutes to mark out, and about 1 hour to cut out.

These flat-pack plywood picnic tables have been a God send this summer for both me personally and for for my business; Cargo Cycles.

They have been hauled around to various shows and events that I have attended, been used as canteen seating in the unit workshop for sammy and I. I've conducted business meetings sat at them. They've been loaned to my neighbours on the business estate for similar duties, have been borrowed by friends, etc. and in a few weeks time the students allocated to me by the probation service will sit at them as I train them in City & Guilds mechanical fitting, and these tables have proven to be a very valuable advertising media and asset for me.


You will need a copy of the plans, which you can download and save from here: http://familyfun.go....picnictable.pdf

To mark out the plywood, you'll need: a rule or tape measure, a pencil, a square, and a straight edge of about 4 feet long, or slightly longer.

I have used a cordless jigsaw for the rounded cuts, and cordless circular saw for the long straight cuts, but a jigsaw will be more than adequate for all the cutting requirements.

Pay close attention to the plans: being originally drawn by an American they are slightly odd: following both a Centre Line set of dimensions, and an accumulated set of dimensions from the bottom edge of the sheet of plywood. The only really tricky part of the plans and the dimensioning is the long recesse in the seat support.

Note: I have used cheap 18 mm thick shuttering plywood rather than the recommended 1" thick plywood: so if you follow my lead here, you'll need to reduce the joint let ins from 1" to 18 mm. :thumbup:

Ready to mark out:

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The sheet of plywood marked out and ready to cut:

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The best results will be obtained by using a jigsaw blade that will cut on both the up, and down strokes, and is suitable for cutting curves. You will also need to set the reciprocating motion function of your jigsaw to either 0 or 1. A close up photo of a jigsaw blade that cuts on both the up and on the down strokes:

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The first cuts to make are: The table top, seat tops, and seat supports, by doing these first, it'll make the remaining piece of plywood a more manageable size:

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Then cut out the curved detailing:

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You should end up with something that looks like this:

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The next piece to cut out is the main support:

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And then you can cut out the two end pieces:

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When the plans say that you can make this flat pack picnic table from a single sheet of plywood, they weren't kidding. Here are all the off cuts and the pile of saw dust that I produced:

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OP
OP
Gareth

Gareth

Guru
Now you can begin cutting the slip joint let ins and complete the detailing.

The table end:

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You will then need to cut out the hand grip; 2 in either end, and 1 in the table top:

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The hand hold cut outs are 2 inches X 4 inches and are more than big enough for my gloved hands:

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The main support:

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Assemble your table;

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Then turn the frame upside down and place it on the table top and centralise it. Cut 4 of these from two of the off-cuts left over to make the hold together clips:

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Then glue and nail them to the table top only in each corner of the main support and table end like this:

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Which should then look like this:

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You can now assemble the Picnic table as in the photos above and use it. Here Sammy who works for me sat at one of the tables:

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[

Now is the time to round off the edges of the plywood, complete a general sanding down and either coat with paint or timber preservative.


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OP
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Gareth

Gareth

Guru
My six flat pack plywood picnic tables, along with another 6-10, that I can borrow from my Church will be used during our house warming party in 3 weeks time; 40 odd guests, two bands, and 5 other performers.

I have however encountered an issue with them, not exactly a problem, but more of a niggle.

I had 3 very large (and I mean very large; think 20 plus stones a piece) ladies sit at one of my tables and eat their picnic lunch during one show (and they weren't even interested in my products :sad: ), their combined weight sank the table legs almost 4 inches into a reasonably dry grass playing field, and I had one helluva job pulling the table out of the soil while Sammy, in fits of laughter stood by watching me.

I am lucky as I have a whole metalworking and woodworking workshop available for my every whim, and so the other day I fished out my 6 inch diameter hole saw and made some simple, but very effective plywood feet to spread the load, reduce the ground pressure, and prevent another situation of having to recover the sunken narrow legs of a table from the turf again.

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OK I have used a hole-saw and a bench mounted pillar drill, but a jigsaw and pistol drill are more than adequate to make a set feet similar to the ones that I have made
 

rich p

ridiculous old lush
Location
Brighton
Great table and design. I'm almost tempted to make one!

I was going to do a sandwich course too but some old baguette the plans.

Is the ply okay for splinters on the cut edges?
 

Globalti

Legendary Member
Nice economical use of the sheet but what's the point of the hand holes? I would just lift the base under the arch. How strong are the seats if a fat barsteward sits on them?
 
OP
OP
Gareth

Gareth

Guru
Because both the circular saw blade and the jigsaw blades that I used where fairly fine; many small teeth, splintering during the cutting out processes was minimal, and easily dealt with by an orbital sander, and .manual sanding.

What I forgot to mention in the step-by-step instructions was that because I was allowing the public to sit at my tables, I had used a router with a rounding over bit on all exposed edges.

As for surviving the rigors of being used by super sized members of the public; the yellow table pictured above was the one that supported well over 60 stones, or about 385 kg for almost 2 hours without damage, and it is still in daily use up at the workshop for Sammy and I to use for our breaks.
 

Arch

Married to Night Train
Location
Salford, UK
Very neat!

I built a boat out of a single sheet of ply. I wonder how many other things could be done from the same sort of sheet!
 

swee'pea99

Squire
Very neat!

I built a boat out of a single sheet of ply.  I wonder how many other things could be done from the same sort of sheet!
Wouldn't that be a great competition! I feel a website coming on....onesheetofply.com - what's the most amazing thing you can make from just one standard sheet of ply?




(Great table by the way. I assume they dismantle/remantle easily for moveaboutability?)
 
OP
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Gareth

Gareth

Guru
[quote name='swee'pea99' timestamp='1282208863' post='1367955']


(Great table by the way. I assume they dismantle/remantle easily for moveaboutability?)



[/quote]


About 30 seconds to assemble, about 45 seconds to dismantle and secure with a couple of bungees for storage, and a whole table made from 18mm thick plywood weighs approx 15kg.
 

Arch

Married to Night Train
Location
Salford, UK
[quote name='swee'pea99' timestamp='1282208863' post='1367955']
Wouldn't that be a great competition! I feel a website coming on....onesheetofply.com - what's the most amazing thing you can make from just one standard sheet of ply?

(Great table by the way. I assume they dismantle/remantle easily for moveaboutability?)

[/quote]

Lovely invention of two words there!

I like the website idea. There must be lots of stuff you can do, especially once you go down the slot-together construction route. You'd prototype in paper and card and work up to ply to test for strength. Wendy house? Rocking horse?

Bicycle?
 
OP
OP
Gareth

Gareth

Guru
[quote name='swee'pea99' timestamp='1282208863' post='1367955']
Wouldn't that be a great competition! I feel a website coming on....onesheetofply.com - what's the most amazing thing you can make from just one standard sheet of ply? [/quote]


I have just given that idea a lot of thought over a cuppa during the last 15 minutes, and my business Cargo Cycles would be very happy to host and sponsor that competition. :biggrin:
 

rich p

ridiculous old lush
Location
Brighton
I make a table top out of one at Christmas. Simply put on top of smaller table, add table cloth et voila!

I won't take the prize :biggrin:
 
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