lecture paraline drawings

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Basic introduction to Paraline Drawings, with reference to basic shapes and its construction in technical drawings

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  • PARALINE DRAWINGS

  • All vertical lines remain verticalAll parallel lines remain parallelAll lines parallel to X,Y,Z axis can be drawn to actual/scale dimensionsAll the vertical and horizontal lines represent the true dimension

    ISOMETRIC 30/30 AXONOMETRIC 30/60PLAN OBLIQUE 45/45ELEVATION OBLIQUE 90/45

    3 dimensional drawings that shows 3 elevations(plan/top, 2 elevation) of the object or building .

  • ISOMETRICAll three visible surfaces have equal emphasisRelatively inflexibleOrthographic plan and elevations can never be used.

  • AXONOMETRICOne vertical plane receiving more emphasis than the otherFlexibility in choice of viewOrthographic plan and elevations can be used.

  • PLAN OBLIQUEHigh angle of view Horizontal planes receive more emphasisEqual importance to vertical planesOrthographic plan and elevations can be used.

  • ELEVATION OBLIQUEA vertical plane remains parallel to the drawing surface.Shown in true size ( to scale)Should be the most significant face of the object/buildingOrthographic plan and elevations can be used.

  • ISOMETRIC DRAWINGS

  • AXONOMETRIC DRAWINGS

  • SHAPEIsometric view if the Shape is ELEVATION or PLANTRIANGLE

    Shapes containing Inclined lines should be enclosed in a rectangle as shown. Then first draw isometric of that rectangle and then inscribe that shape as it is.

  • 14231423

  • ISOMETRIC VIEW OF BASE OF PENTAGONAL PYRAMID

  • ISOMETRIC VIEW OF HEXAGONAL PRISM

  • DIMENSIONS

  • PARALINE DRAWINGS