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.
    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.