| 1 | matrix_rows = 21; |
| 2 | matrix_cols = 21; |
| 3 | module qr(){ |
| 4 | block_size = 2; |
| 5 | max_x_index = matrix_cols - 1; |
| 6 | max_y_index = matrix_rows - 1; |
| 7 | fudge = block_size / 1000; |
| 8 | |
| 9 | matrix = |
| 10 | [[1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1], |
| 11 | [1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1], |
| 12 | [1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1], |
| 13 | [1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1], |
| 14 | [1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1], |
| 15 | [1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1], |
| 16 | [1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1], |
| 17 | [0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0], |
| 18 | [1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1], |
| 19 | [1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1], |
| 20 | [0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1], |
| 21 | [1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0], |
| 22 | [0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0], |
| 23 | [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1], |
| 24 | [1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1], |
| 25 | [1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1], |
| 26 | [1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0], |
| 27 | [1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0], |
| 28 | [1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1], |
| 29 | [1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0], |
| 30 | [1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1]]; |
| 31 | |
| 32 | scale(25/21){ |
| 33 | for(y = [0 : max_y_index]){ |
| 34 | for(x = [0 : max_x_index]){ |
| 35 | if(matrix[y][x] == 1){ |
| 36 | translate([(x - max_x_index / 2.0) * block_size, |
| 37 | (y - max_y_index / 2.0) * block_size]){ |
| 38 | square(block_size + fudge, center = true);}}}}}} |
| 39 | |
| 40 | module qr_black_flat(){ |
| 41 | qr();} |
| 42 | module qr_black(){ |
| 43 | color("black") |
| 44 | linear_extrude(height = 2){ |
| 45 | qr_black_flat();}} |
| 46 | |
| 47 | module qr_white_flat(){ |
| 48 | difference(){ |
| 49 | square(54, center = true); |
| 50 | qr();}} |
| 51 | module qr_white(){ |
| 52 | color("white") |
| 53 | linear_extrude(height = 2){ |
| 54 | qr_white_flat();}} |
| 55 | |
| 56 | qr(); |