The blob in all its glory:
This is an ellipsoid derivative that coudl turn into a rather unimaginative but relatively space efficient case.
|Click on the snapshot to download the blob's stl file.|
# 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 calculationsGNU Octave