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TA 101 T hink and A nalyze Anupam Saxena Associate Professor Mechanical Engineering Compliant and Robotic Systems Lab Indian Institute of Technology Kanpur

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Corrections in Lab 1 100 75 100 75 100 80 100

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Visualization

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ANUPAM SAXENA TA101 LECTURE II CONSTRUCTION OF ELLIPSE: FOUR CENTER METHOD C1 C2 C3 C4 30 l 2l d

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ANUPAM SAXENA TA101 LECTURE II CONSTRUCTION OF ELLIPSE: FOUR CENTER METHOD C1 C2 C3 C4 30

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ANUPAM SAXENA TA101 LECTURE II CONSTRUCTION OF ELLIPSE: FOUR CENTER METHOD C1 C2 C3 C4 30

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Organization of Lectures and Laboratory Assignments TopicWeek (No. of Lectures)Lab Intro and Basic ConstructionsWeek 1 (2) Orthographic ProjectionsWeek 2 (2)Lab 1 Orthographic ProjectionsWeek 3 (2)Lab 2 Isometric ProjectionsWeek 4 (2)Lab 3 Missing ViewsWeek 5 (2)Lab 4 Sectional and AssemblyWeek 6 (2)Lab 5 Oblique ProjectionsWeek 7 (2)Lab 6 Perspective ProjectionsWeek 8 (2)Lab 7 Lines and PlanesWeek 9 (2)Lab 8 Lines and PlanesWeek 10 (2)Lab 9 Auxiliary ProjectionsWeek 11 (2)Lab 10 Intersection of lines/planes/solids Week 12 (2)Lab 11 Intersection and DevelopmentWeek 13 (2)Lab 12 TOTAL2612

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x z x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION y z x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION y z x y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION TA: First Exercise on Orthographic Views

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION ? TA: What Angle is this? x y x z y z

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ANUPAM SAXENA TA101 LECTURE III THE FIRST STEP TO COMPREHENSION TA: Given the views, can one UNIQUELY determine the 3d Object? x y x z y z

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Gaspard Monge, 1746-1818 Engineer in French Military Inventor of ‘descriptive geometry’ Pictures, sketches were used to communicate but didn’t have any uniformity Architects, builders, engineers, designers had difficulty in understanding figures One could draw figures in various ways Monge formalized the TECHNICAL drawings, what we know as ORTHOGRAPHIC PROJECTIONS. The scheme was quickly adopted by army Engineers, and after the war, it was accepted worldwide and formed the back bone for INDUSTRIAL REVOLUTION OBJECTIVE: To Learn TECHNICAL DRAWING in THEORY and PRACTICE using drafting tools and free hand sketches

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ANUPAM SAXENA TA101 LECTURE III THE FIRST EXAMPLE sketch

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ANUPAM SAXENA TA101 LECTURE III THE FIRST EXAMPLE 100 80 20 25 20 60 50 40 12

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ANUPAM SAXENA TA101 LECTURE III THE FIRST EXAMPLE 100 80 20 25 20 60 50 40 12

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Keep T hinking and A nalyzing Until next time...

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