Picture of Make a Book Binding Cradle
Coptic book binding is a traditional form of book binding that has been around for thousands of years.  Although it is fairly simple, there are some specialized tools you might find incredibly handy when binding your own books.

In this Instructable I will show you a simple and easy way to make your own book binding cradle which only took me around 15 mins to make thanks to the tools at TechShop San Jose.

You will need:

a 24"x12" piece of wood or other material to cut your cradle out of
blue painter's tape
wood glue (or another type of glue depending on what you make your cradle out of)
Laser cutter or wood working tools
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Step 1:

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Book Binding Cradle.jpg
First, you need to cut out your pieces.  

You could use any 1/4" thick material for this project (acrylic, cardboard, metal, etc...).  I have chosen to use 1/4" plywood because of its durability and how easy it is to work with.

If you chose wood or acrylic, you could cut all your pieces out by hand using wood working tools, but since I have access to TechShop's laser cutters, I chose to build a file and cut my pieces out that way.

Step 2:

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Now you have to mark where to glue your support pieces (the 3"x1/4" rectangles) on your 2 side pieces.

Take a straight edge and place it from one corner to the one diagonally opposite and draw a line about 1/2 way down, then do the same thing for the other 2 corners so you are left with a V.

Repeat on the front and back of both side pieces.

Step 3:

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next, glue 2 of the small rectangles, one on each line of the V on both the front and back of each side, leaving around 1/2" between the 2 pieces at the bottom, repeat on the other side piece.

Step 4:

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While that dries, take your two long sides and put them side by side as shown in the picture.  Tape the two seems together with blue painter's tape.
Lunarius1 year ago
Great design!

For signatures longer than the provided pattern, how would you suggest leaving one end open while still bracing it? I know I could make a range of different sized sides for the cradle, but having one catch-all for travel would be pretty excellent as well.
TimS1242 years ago
Thank you for sharing this.

A quick suggestion if I may...for Step 2, why not use the laser to mark the lines instead of drawing them by hand?

A pair of short lines along each 45 (one near each end of each 45) could be use so it could be cut along with the rest of the vector cutting (much faster than trying to raster those lines). By keeping those lines short, they shouldn't weaken the end cradle but would be more than enough to align the pieces for gluing without needing Step 2.

I've modified the drawing file you posted to try this out. If it works, you're welcome to have the modified file. :-)
gtoal3 years ago
this also looks like it could be a good design for part of an open source book scanner..?
KaceyK (author)  gtoal3 years ago
it would work beautifully for that as well