Palm, Louise von · Boston, D. Estes & Company · leaf 116
t between the two tri-angular flaps marked 1 and 2 so that an upright standingtriangle will be formed on the lines d, e, a. Now fold the upright standing triangle on the line c, 6,downward as shown in Fig. 16, page 114, and draw outtheother three corners 6, c, d, as shown in Fig. 15 on theprevious…
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