THE Lesson 5 ELLIPSE STRINGS PINS JENNIFER BYRNE

THE Lesson 5 ELLIPSE STRINGS & PINS JENNIFER BYRNE 2020 1

STRINGS AND PINS METHOD In order to draw using this method you will need the Foci point Note: The distance between one Focal point to the top of the minor is half the major axis. The plural of these are called Foci Points. You will need: Wooden base Two metal pin nails Hammer aj String Felt marker or HB Pencil Note: Please do not put pins into H F 1 f. M l a or F 2 your kitchen table top. JENNIFER BYRNE 2020 2

STRINGS AND PINS METHOD Take half the Major axis and strike an arc on the X line to give you a Focal Point. F 1 Repeat for the other side. F 2 The plural of these are called Foci Points. F 1 F 2 JENNIFER BYRNE 2020 3

STRINGS AND PINS METHOD Put in two pins at F 1 & F 2. Get a piece of string put loops on either end and the string is the same length Major axis adjust until as the Using a pencil, keep the string taut & draw in the ellipse JENNIFER BYRNE 2020 4

WHICH METHOD IS BEST? Strings and pins method is very handy especially for marking out table tops or veneer patterns or even in the garden for creating nice elliptical flower beds. In drawing furniture I would recommend the Trammel method as it needs very little construction lines to clutter up your drawing. Remember that you must show light construction lines and or include the trammel that you constructed. JENNIFER BYRNE 2020 5