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add stereographic_projection

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Justin Lin
2019-07-06 18:26:21 +08:00
parent 8727bfbf8b
commit 30c1e0fb13
1 changed files with 25 additions and 0 deletions
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examples/stereographic_projection.scad Normal file
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include <stereographic_extrude.scad>;
rows = 8;
line_width = 15;
block_width = 50;
module grid(rows, block_width, line_width) {
half_side_length = (block_width * rows + line_width) / 2;
translate([-half_side_length, -half_side_length])
for(i = [0:rows]) {
translate([0, i * block_width, 0])
square([block_width * rows, line_width]);
translate([i * block_width, 0, 0])
square([line_width, block_width * rows + line_width]);
}
}
stereographic_extrude(block_width * rows + line_width, $fn = 48)
grid(rows, block_width, line_width);
if($preview) {
color("black") grid(rows, block_width, line_width);
}