Rose Bead 600a-80 by Bob Keller

Rose Bead 600a-80 - designed by Bob Keller ©1999
600 facets 80 index
L/W = 1.000 H/W = 1.667 Vol./W^3 = 0.854

Hemisphere A
p 90.00 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Cut to equal depth, set size
1 88.78 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Cut level girdle (equator) line
2 84.50 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet p,1
3 81.84 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 1,2
4 77.68 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 1,2,3
5 74.29 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 3,4
6 70.39 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 3,4,5
7 65.68 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 5,6
8 62.22 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 5,6,7
9 55.43 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 7,8
10 52.62 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 7,8,9
11 42.85 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 9,10
12 40.93 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 9,10,11
13 27.41 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 11,12
14 26.53 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 11,12,13
15 9.45 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 13,14,apex (pole)
Hemisphere B
1 88.78 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 1,2 on hemisphere A
2 84.50 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 1,2 on hemisphere A, 1
3 81.84 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 1,2
4 77.68 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 1,2,3
5 74.29 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 3,4
6 70.39 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 3,4,5
7 65.68 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 5,6
8 62.22 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 5,6,7
9 55.43 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 7,8
10 52.62 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 7,8,9
11 42.85 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 9,10
12 40.93 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 9,10,11
13 27.41 02-06-10-14-18-22-26-30-34-38-
42-46-50-54-58-62-66-70-74-78
Meet 11,12
14 26.53 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 11,12,13
15 9.45 80-04-08-12-16-20-24-28-32-36-
40-44-48-52-56-60-64-68-72-76
Meet 13,14,apex (pole)

Rose Bead 600a-80 Cutting Notes

Begin by cutting a 20-sided cylindrical preform. The height of the preformed cylinder must be equal to or greater than 1.67 times its maximum width for you to have enough material when you get to the course 15 (pole) facets. When you cut the course 1 facets for the first hemisphere, create a level 'girdle' (equator) line at half the height of cylinder.

Transfer when you've finished the first hemisphere, and repeat the course 1-15 sequence on the second hemisphere.

If you cut a Rose Bead 600a-80 of your own, be sure and let me know what you've cut and how you made out.


Index of Gem Designs

Perfect Transfer Index

Table of Contents


© Bob's Rock Shop Bob Keller