This section is from the book "Manual Training - Cardboard Construction", by J. H. Trybom. Also available from Amazon: Cardboard Construction.

1. For the construction of back see drawing.
2. The pocket will require a piece of cardboard 6" X 3½".
3. Draw the oblong 3" X 2|".
4. Find centres of 3" sides and connect.
5. Construct equilateral triangles and laps.
6. The place for the pocket is indicated by the larger rectangle on the back. The smaller rectangle shows the place for a piece of sandpaper.


Back :
1. Construct rectangle 5"
X 3½".
2. Draw the lines parallel to sides.
3. Find centres for arcs and complete outline. Pocket:
1. This part will require a piece of cardboard 6" X 5".
2. Draw rectangle 4½" X
2¾"
3. Draw lines parallel to short sides of rectangle and construct equilateral triangles and laps.
Note. - The pocket is pasted to the back by surface C.
The surface marked B serves as a cover.

 
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