Download
sketching n.
Skip this Video
Loading SlideShow in 5 Seconds..
Sketching PowerPoint Presentation

Sketching

210 Vues Download Presentation
Télécharger la présentation

Sketching

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Alphabet of Lines Sketching

  2. OBJECTIVES • 6 types of lines • What is sketching

  3. Sketching • What is it: • A simple, visual way of communicating a design. • Rough drawing of an object. • Why create a Sketch: • Done quickly, without the use of tools (freehand). • Shows an outline and few details of an object.

  4. Construction Visible Line Hidden Line Center Line Extension Dimension 3” 6 types of lines

  5. Construction Lines • Extremely light lines used for constructing a drawing.

  6. Visible Lines • Dark lines of the actual object which are drawn over the lighter construction lines.

  7. Hidden Lines • Used to show invisible parts that otherwise could not be shown.

  8. Center Lines • Used to show the center of a circle or hole.

  9. 3” Extension Lines • Extend from the object with a gap about 1/16”

  10. 3” Dimension Lines • Has an arrowhead at each end indicating the length of the object.

  11. End of Part 1 • Try sketching these objects using graph paper: 1. Base Plate 2. Shim 3. Sheet Metal Stamping (Day 2) 4. Inlaid Linoleum Block (Day 2)

  12. Part 2:Orthographic Drawings • Also known as Three View Drawings or Multi-View Drawings

  13. Parts of a Three View Drawing • Front View • It is a drawing of an object looking at it head on. • The front view is usually placed in the lower left corner of the drawing.

  14. Front View

  15. Top View • It is done looking down on the object and drawing a “bird’s eye view” of it. • The top view is placed directly above the front view.

  16. Top View Front View

  17. Right Side View • It is done by rotating the object and drawing the right side. • The right side view is placed on the right lower corner of the drawing.

  18. Top View Side View Front View

  19. Projection Lines • Projected from front and top views that gives the length and location of parts. • These lines are drawn very lightly.

  20. Top View Front View Projection Lines Side View