Setting up a Drawing to Make Plans
ortho.jpgYour drawings should include a Top, Front, and RHS view of your assembly. You may also want to include an Isometric drawing. Isometrics are NOT dimensioned.
  • A Mitre Line can be useful for laying out the views:
    1. Given the top and front views project lines to the right of the right view.
    2. Construct a Mitre line at 45 degrees to the horizon.
    3. Where the horizontal projection lines of the top view intersect the mitre line, drop vertical projection lines.
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    4. If you start with the Front and RHS view, you can project the lines vertically up to the mitre line and over.
  • Dimensions -Your orthographic views should be dimensioned. The dimensions should show enough information for someone to build your object without talking to you.
  • Spacing the Views - Your views should be layed out on the paper with "enough" room to allow white space, include the dimensions and not appear overly crowded.
  • Scale - Many times you will have to apply a scale to your drawings e.g. 1" = 1 ' (One inch on the drawing = one foot in real life) or 1" = 4" etc. Whatever scale you choose should allow you to present the required drawings including dimensions and have some space around your views.
  • Title Block - The title block provides the name of the object being designed, the designer, the scale if any and the date as a minimum.