I'm trying to figure what is causing my computer to grind openscad down into
a very slow program. . I've tried lowering the convexity since it is only
slow in the preview. I've already tried lower the image down to 150 by 150
px but this hasn't worked either. I don't want to go any lower because I'll
loose the image quality which I have already sacrificed plenty. I've thought
of going even lower at least until I get it into place and then putting the
larger image back but I don't have enough exp to know if this would help. My
code is below.

color("green", a= 1)difference(){
translate([0,0,d])surface(file ="OriginalTurtleOutline-small.png",
center = true, convexity = 10, invert = true);
translate([0,0,e])difference(){
sphere(a);
resize([0,0,f])sphere(b);
translate([0,0,-a1.5])cube(a3,center = true);
}
translate([0,0,-188])cube(400, center = true);
}

I'm also open to other ideas on how I can use bitmaps/images better.

Any and all help would be greatly appreciated. Thanks in advance to anyone
who offers any help.

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View this message in context: http://forum.openscad.org/Increasing-speed-in-which-I-can-rotate-around-surface-tp19130p19136.html
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