16.810 Design and RP Introduction to idea sketchingIdeationSketchingIdea ExplorationEngineering styleGoalIn a few weeksSketching PhilosophyTechnique and visual memoryTechniqueRule number 1Sketching TechniqueLearning a visual languageLearning The Rules (3D grammar)Exploring spaceLearning The Rules (3D grammar) PerspectiveLearning The Rules (3D grammar) Two point perspectiveLearning The Rules (grammar) Position relative to horizonLearning The Rules (3D grammar)CylindersComplex ShapesFrom simple shapesLearning The Rules (2D grammar)Unambiguously define shapeLearning The Rules (2D grammar) ConventionOrthographic Projection LinesDrawing A ProductProcessDrawing A ProductStep 1: Block out proportionsDrawing A ProductStep 2: Sketch in the formDrawing A ProductStep 3: Sketch in the formSketching Process2D or 3DExerciseMake a 16.810 underlay16.810 Design and RP Introduction to idea sketchingWhat is idea sketching?Sketching philosophySkills drawing basic shapesMethod to represent 3D objects in 2DIdeationSketchingIdea ExplorationEngineering styleGoalIn a few weeks…in 5-10 minutesSketching PhilosophyTechnique and visual memorybasic structureproportionnecessary detailsTechniqueRule number 1no postage stampsTechniqueRule number 2no chicken scratchesSketching TechniqueLearning a visual languageMental Model + Skills + Rules = CommunicationcognitionAABBCC SpellingGrammarSee spot runLearning Skills (abc)Freehand arcsLearning Skills (abc)Freehand linesLearning Skills (abc)Freehand circlesLearning Skills (abc)Freehand ellipses (30 degree)Learning The Rules (3D grammar)Exploring spacePerspectiveLearning The Rules (3D grammar) Perspective"Perspective is nothing else than seeing a placebehind a plane of glass, quite transparent, on thesurface of which the object behind the glass are to bedrawn".Leonardo DavinciLearning The Rules (3D grammar) Two point perspectiveconstructing the basic cubeLearning The Rules (grammar) Position relative to horizona refrigerator?Learning The Rules (3D grammar)CylindersComplex ShapesFrom simple shapesLearning The Rules (2D grammar)Unambiguously define shapeOrthographic projectionLearning The Rules (2D grammar) ConventionOrthographic ProjectionLinesDrawing A ProductProcessDrawing A ProductStep 1: Block out proportionsyou may want to create an underlayDrawing A ProductStep 2: Sketch in the formDrawing A ProductStep 3: Sketch in the formon an overlay?Sketching Process2D or 3DBlock out (position, proportions)H pencilNecessary detailH PencilDarken infine liner (hidden and low visibility)sign pen (interior)chisel (exterior)ExerciseMake a 16.810 underlayBlock out full scale (grid)Necessary detail (hard points, freedom, forbidden zone)Darken infine liner (freedom)sign pen (hard points)chisel
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