The blob in all its glory:
Twirl with your mouse
This is an ellipsoid derivative that coudl turn into a rather unimaginative but relatively space efficient case.
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Click on the snapshot to download the blob's stl file.
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Octave Code:
# name of the blob
project = "blob58";
# function at origin must be <0, and >0 far enough away. w=0 defines the surface
function w = f(x2,y2,z2,c,r) # three lobed toroid with low profile bumps and flat top
x = (x2-c(1))/r(1);
y = (y2-c(2))/r(2);
z = (z2-c(3))/r(3);
w=((x).^2+(y).^4+(z).^4)-1; # ellipsoid
endfunction;
c_outer = [0,0,0];
r_outer = [180,80,50];
xmin = floor(-200);
xmax = floor(200 );
step = 4; # grid pitch in mm start with 4mm to see the shape quickly. Once you have it just right, change to 2mm for printing
source("../octave/func2stl_v01.m"); # do all the calculations
GNU Octave
