10 Steps you can follow to make a twisting tower.
1. Make a circle and connect 4 points to make a square.
2. Draw a line from one end of the square to another diagonally. Make a like as tall as you want your tower to be. Select the vertical line and divide it into 6.
3. Highlight the bottom section. Click on the Move/Copy button. Press the ctrl key and while holding it down click on the middle of the bottom section. You will see an identical copy of the first section. Move it to the first divide point up.
4. Repeat until there are 7 similar sections.
5.Delete the lines between the sections. Select the second section from the bottom and spin 15 degrees left or right. Select the third section and rotate the same direction as the first 30 degrees. Repeat with sections # 3-6 each time adding 15 degrees more than the last. (15, 30, 45, 60 etc.)
The top and bottom section should be the same.
6. Delete the circle parts and lines diagonal lines. It should look like this from the top.
7. Connect each of the 4 corners of all seven sections. You can connect left or right.
8. Connect sections heading the opposite way from the other lines.
9. Delete all faces from top to bottom. Should look like this.
10.Close the top and bottom section. Select the whole thing and smooth.
