The model updates in a few seconds after you change a setting. Everything runs in your browser.
The length of the flexible strap that connects the two ends of the necklace behind the neck. Set to 0 for no strap.
The distance from one motor to the next. 3.20 cm is the original design; larger values lengthen the web between rings, smaller values shorten it (2.7 cm minimum, where the rings nearly touch).
Flat: the necklace laid out straight. Curved: wrapped into a loop, for Formlabs printers or a necklace longer than the print bed. Cone 45°: printed flat as a spiral that bends into a cone sloping 45° down from the neck when worn, with the strap on the inside and the hook on the outside.
Measured around the base of the neck, plus any slack you want. Sets the size of the inner turn.