This section is from the book "Manual Training - Cardboard Construction", by J. H. Trybom. Also available from Amazon: Cardboard Construction.
1. Construct rectangle 6½" X 3½".
2. Draw lines inside rectangle, making the outline of the figure with heavy lines, and using dotted lines to indicate folding.
3. The laps in this and all the following models are J" wide, and at
45° to the dotted line, unless otherwise mentioned. (These laps may be made at 60° or 30° if that triangle is used.)
4. Paste laps inside of bag.
1. Construct rectangle 7⅞" x 3½," and complete drawing like the previous model.
2. In drawing the covering lap, notice that it is folded 1/16" above the diameter of circle.
 
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