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Added lcm() and gcd() and is_integer() to math.scad. Added a couple

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3d examples for supershape() that I snagged from
list-comprehension-demo.  Added repeat_entries to array.scad.  Note
dependence on _sum_preserving_round which is in paths.scad.  Also note
it's possible _force_list (added to math.scad) should be exposed, or
placed elsewhere.
This commit is contained in:
Adrian Mariano
2019-12-06 19:27:49 -05:00
parent 24de174d6f
commit 29b682be96
3 changed files with 88 additions and 0 deletions
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shapes2d.scad
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@@ -645,6 +645,9 @@ function _superformula(theta,m1,m2,n1,n2=1,n3=1,a=1,b=1) =
// for(i=[-1.5:3:1.5]) right(i*1.5) supershape(m1=2,m2=10,n1=i,n2=1);
// for(i=[1:3],j=[-1,1]) translate([3.5*i,1.5*j])supershape(m1=4,m2=6,n1=i*j,n2=1);
// for(i=[1:3]) right(2.5*i)supershape(step=.5,m1=88, m2=64, n1=-i*i,n2=1,r=1);
// Examples:
// linear_extrude(height=0.3, scale=0) supershape(step=1, m1=6, n1=0.4, n2=0, n3=6);
// linear_extrude(height=5, scale=0) supershape(step=1, b=3, m1=6, n1=3.8, n2=16, n3=10);
function supershape(step=0.5,m1=4,m2=undef,n1=1,n2=undef,n3=undef,a=1,b=undef,r=undef,d=undef,anchor=CENTER, spin=0) =
let(
r = get_radius(r=r, d=d, dflt=undef),