Exercise 10: How to make an oval template

(10) How to make an oval template.

After cutting an oval hole in a sheet------PROBLEM:
    of cardboard, sand its edges with      SOLUTION:
    a small piece of sandpaper (Fig. 1).


          |
          ---------------------------------PROBLEM:
                                           SOLUTION:

Smooth the curve but don't overdo it-------PROBLEM:
    or you may distort the shape           SOLUTION:
    (Fig. 2).



Spray both sides with varnish to
    protect the template.

Place small strips of cardboard or
    tape around the bottom side of
    the oval so that ink will not
    blot when you draw (Fig. 3).



If you use a technical pen, be sure--------PROBLEM:
    to hold it vertically against          SOLUTION:
    the edge of the oval (Fig. 4).