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learning me some openscad by playing with a hexagonal grid
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module hexagon(radius) | |
{ | |
circle(r=radius,$fn=6); | |
} | |
module shell(radius) | |
{ | |
difference() | |
{ | |
hexagon(radius*1.2); // base | |
hexagon(radius*1.1); // hole | |
} | |
} | |
module piece(radius) | |
{ | |
translate([0, 0, -radius/12]) | |
{ | |
scale([1,1,0.5]) | |
{ | |
hexagon(radius); | |
} | |
} | |
} | |
module shell_with_piece(radius) | |
{ | |
shell(radius); | |
piece(radius); | |
} | |
function column_to_offset(column, offset) = (column % 2) * offset; | |
module translate_to_hex(x_coord, y_coord, hex_width) | |
{ | |
translate([x_coord*hex_width*1.75, y_coord*hex_width*2+column_to_offset(x_coord, hex_width), 0]) | |
{ | |
child(0); | |
} | |
} | |
module lattice(rows, columns, hex_width) | |
{ | |
for(x = [0:columns-1]) | |
{ | |
for(y = [0:rows-1]) | |
{ | |
translate_to_hex(x, y, hex_width) | |
{ | |
shell(hex_width); | |
} | |
} | |
} | |
} | |
linear_extrude(height=4) | |
{ | |
lattice(4, 5, 8); | |
// translate_to_hex(2, 2, 4) | |
// { | |
// piece(4); | |
// } | |
} |
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