Links For Fire Poi Construction

Home of Poi's construction page, containing monkey fist, accordion, cathedral and tube core.
https://www.homeofpoi.com/us/lessons/teach/How-to-make/Fire-Poi/Examples-making-FIRE-POI-heads

Renegade Juggling had this table on their page:
Monkey Fist Size | Rope size | Rope length
2 1/2 inch | 3/8 inch | 5 feet
3 inch | 3/8 inch | 7 1/2 feet
3 1/2 inch | 1/2 inch | 6 1/2 feet
4 inch | 5/8 inch | 7 1/2 feet

Animated monkey's fist:
http://www.animatedknots.com/monkeysfist/index.php?Categ=decorative&LogoImage=LogoGrog.png&Website=www.animatedknots.com#ScrollPoint

The crown and inferno are variations of the same type of knot, a spiral sinnet knot. The inferno technique shown in Techniques is an 8-strand variation.
Crown Knot, 3 strand: http://www.animatedknots.com/crown/#ScrollPoint