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Why 30 degree angle is used in isometric?
isometric drawing create the illusion of 3 dimension by drawing the depth of the object on the both side.. in isometric drawing they are both set on the 30 degree angle..
What does a dimension in brackets on a drawing?
This is a reference dimension. I.e. the part can and should be manufactured without using it directly. The non-bracketed dimensions should define the form of the part completely.
What do parentheses around a dimension represent?
Generally it means that the dimension is for reference only. The actual (real dimension) will show up somewhere else on a drawing. It could also be put on a dimension that you really don't want an inspector to hold tight (material thicknesses that vary with vendor or batch run)
Find dimension for a barn height 32 ft and you need a lenght for a scale of 116?
If the scale is 1 to 16, then each dimension in the real world is 16 times its size on the drawing, and its size on the drawing is 1/16 of its real size. The barn must be drawn 2-ft high on the plans.
What is a Dimension line used in drafting?
there are several different types of lines used in dimensional drawing, most are vertical and horizontal in design.
