13. 2 1 3 4 5 6 7 8 9 10 11 12 Divide the cone base into 12 equal parts. Top View Front View Step 1 BACK TO MENU
14. 2 1 3 4 5 6 7 8 9 10 11 12 Project points 2,3,4,5 and 6 to the front view. Mark the points of intersection. 3 2 5 6 Step 2 BACK TO MENU
15. 2 1 3 4 5 6 7 8 9 10 11 12 3 2 5 6 Join the intersection points using a French curve. Step 3 BACK TO MENU
16. Top View Front View 1 2 3 4 Draw a circles 1,2,3, and 4. Project the circle points 1,2,3, and 4 to front view to determine the cutting planes of A,B,C and D. A B C D Step 1 BACK TO MENU
17. 1’ 2’ 3’ Project the cutting points 1’,2’, and 3’ to the front view. Mark the intersection points at A, B, C and D. A B C D Step 2 BACK TO MENU
18. 1’ 2’ 3’ A B C D Join the intersection points using a French curve. Step 3 BACK TO MENU