No. 15. Quatrefoil
Description
This section is from the book "Manual Training - Cardboard Construction", by J. H. Trybom. Also available from Amazon: Cardboard Construction.
No. 15. Quatrefoil
1. Construct square, side '2".
2. Find centre of each side and construct semicircles.
No. 18. Trefoil
1. Construct an equilateral triangle, side 2¼".
2. With corners of triangle as centres and 1¼" radius describe the arcs.
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