 Used by engineers.  Technical drawings are the blueprints to creating a structure.  The people who create these drawings are called drafters. Page 1

 A sketch is a freehand drawing that is done in little time and it is not intended as finished work.

Overview Illustrations Architecture & Engineering Mechanical Drawings, Charts, & Sketches Computer – aided design & drafting Reproducible “Designer” Engineers Pg.2

 18 th Century  Architectural Practice.  19 th Century  Franklin Institute  In Philadelphia 1824  Architects

Technical Drawing and Drafting:  Aeronautical Drafters Architectural Drafters:  Architectural Drawing  Civil Drafters  Electrical Drafters  Electronic Drafters  Mechanical Drafters  Process Piping or Pipelines Drafters  5

 The two times of drawings are Cutaway drawing and Construction drawing. Ashraf Patel & Amanda Popham Page 6

assembly of parts dimensional diagram explosion from middle of the object. Pg. 7

Drawing made to describe a invention Page 8

drawing by hand……… Drawing board Straight edge Pencils Scale Triangles Compass 11

The basic drafting system requires an accurate table and constant attention to the positioning of the tools. The system includes the ability to change the angle, thereby removing the need for the triangles as well.

 Replaced manual drawing  Can be 2-dimensional or 3-dimensional.