Thingiverse
Celtic knots as Lissajous knots by kitwallace
by Thingiverse
Last crawled date: 3 years, 1 month ago
4 Lissajous knots:
5-2 - three twist knot
6-1 - stevadore knot
7-4
8-21
The knot 7-4 is generated by the Lissajous function:
function f(t) =
[ cos(nx t + px) ,
cos(ny t + py),
cos(nz t + pz) vz
];
where
nx=3;
ny=2;
nz=7;
px=10; // by experiment
py=35;
pz=0;
vz=0.25; // vary to change height
The OpenSCAD code for this and other knots, including the other Lissajous knots can be generated from my knot index page:
http://kitwallace.co.uk/3d/knot.xq
5-2 - three twist knot
6-1 - stevadore knot
7-4
8-21
The knot 7-4 is generated by the Lissajous function:
function f(t) =
[ cos(nx t + px) ,
cos(ny t + py),
cos(nz t + pz) vz
];
where
nx=3;
ny=2;
nz=7;
px=10; // by experiment
py=35;
pz=0;
vz=0.25; // vary to change height
The OpenSCAD code for this and other knots, including the other Lissajous knots can be generated from my knot index page:
http://kitwallace.co.uk/3d/knot.xq
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