Does anybody know how to draw the arcs in the isometric question using the isometric scale method?
For example, the elevation of the object shows a part of a circle with a radius of 25mm. From my understanding, you draw this portion of the circle out again and divide it up. Although I'm not entirely sure what to do next.
Instead of 5 I would do:
5. Draw 60 degrees and 30 degrees from the centre of the circle
6. Draw a line vertically down with from the points where the 30 and 60 degree lines hit the circumference
7. Where the points hit the bottom of the circle label them h1 and h2
8. scale them down on your 45 - 60 thingy
9... tell me when you get this far..
45 - 30*