What does an Isometric look like?
A 3D drawing at two 30-degree angles
What does an Oblique drawing look like?
A 3D shape drawn as an elevation and projected at 45 degrees backwards
What are the three degree ratios for a planometric drawing?
60/30, 45/45, 30/60
What are the two kinds of perspective drawing?
1 point and 2-point perspective
What are four of the rules for sectional orthographics?
Any four from:
- A cutting plane on the adjacent view indicates where the assembly is located
-Cross hatching lines are drawn at 45 degrees
- Hatch lines are spaced approximately 5mm apart
- Cross hatching on adjacent parts must be staggered and going in the opposite direction
- Cross hatching to the outside of a thread hole if a screw is in place
- DO NOT cross hatch webs when they are cut along their length
- DO NOT hatch screw or bolt fixings or spindles
- DO NOT show hidden detail
