Ellipse Generator

Here's a thing that draws ellipses (or circles, if you do it right) and even outputs paths for cutting them. Use at your own risk. Especially if you have a loose grip on your marbles.

And in the interest of science and late nights on the couch, here's the code.

(decimal inches only)
Ellipse width
Ellipse height
Horizontal repeat max = 8
Vertical repeat max = 8
Cutter kerf offset
Spacing for multiples
Resolution

SP1; PU55 202; PD155 302; PD146 320; PD137 338; PD129 357; PD120 377; PD112 396; PD104 416; PD97 437; PD89 458; PD82 479; PD75 500; PD69 522; PD63 544; PD57 567; PD51 590; PD45 613; PD40 636; PD36 659; PD31 683; PD27 707; PD23 731; PD19 755; PD16 780; PD13 804; PD10 829; PD8 854; PD6 879; PD4 904; PD3 929; PD1 954; PD1 979; PD0 1005; PD0 1030; PD0 1055; PD1 1081; PD1 1106; PD3 1131; PD4 1156; PD6 1181; PD8 1206; PD10 1231; PD13 1256; PD16 1280; PD19 1305; PD23 1329; PD27 1353; PD31 1377; PD36 1401; PD40 1424; PD45 1447; PD51 1470; PD57 1493; PD63 1516; PD69 1538; PD75 1560; PD82 1581; PD89 1602; PD97 1623; PD104 1644; PD112 1664; PD120 1683; PD129 1703; PD137 1722; PD146 1740; PD155 1758; PD165 1776; PD174 1793; PD184 1810; PD194 1826; PD204 1842; PD214 1857; PD225 1872; PD236 1886; PD246 1900; PD258 1913; PD269 1926; PD280 1938; PD292 1950; PD303 1961; PD315 1972; PD327 1982; PD339 1991; PD351 2000; PD364 2008; PD376 2016; PD389 2023; PD401 2029; PD414 2035; PD427 2040; PD439 2045; PD452 2049; PD465 2052; PD478 2055; PD491 2057; PD504 2059; PD517 2060; PD530 2060; PD543 2060; PD556 2059; PD569 2057; PD582 2055; PD595 2052; PD608 2049; PD621 2045; PD633 2040; PD646 2035; PD659 2029; PD671 2023; PD684 2016; PD696 2008; PD709 2000; PD721 1991; PD733 1982; PD745 1972; PD757 1961; PD768 1950; PD780 1938; PD791 1926; PD802 1913; PD814 1900; PD824 1886; PD835 1872; PD846 1857; PD856 1842; PD866 1826; PD876 1810; PD886 1793; PD895 1776; PD905 1758; PD914 1740; PD923 1722; PD931 1703; PD940 1683; PD948 1664; PD956 1644; PD963 1623; PD971 1602; PD978 1581; PD985 1560; PD991 1538; PD997 1516; PD1003 1493; PD1009 1470; PD1015 1447; PD1020 1424; PD1024 1401; PD1029 1377; PD1033 1353; PD1037 1329; PD1041 1305; PD1044 1280; PD1047 1256; PD1050 1231; PD1052 1206; PD1054 1181; PD1056 1156; PD1057 1131; PD1059 1106; PD1059 1081; PD1060 1055; PD1060 1030; PD1060 1005; PD1059 979; PD1059 954; PD1057 929; PD1056 904; PD1054 879; PD1052 854; PD1050 829; PD1047 804; PD1044 780; PD1041 755; PD1037 731; PD1033 707; PD1029 683; PD1024 659; PD1020 636; PD1015 613; PD1009 590; PD1003 567; PD997 544; PD991 522; PD985 500; PD978 479; PD971 458; PD963 437; PD956 416; PD948 396; PD940 377; PD931 357; PD923 338; PD914 320; PD905 302; PD895 284; PD886 267; PD876 250; PD866 234; PD856 218; PD846 203; PD835 188; PD824 174; PD814 160; PD802 147; PD791 134; PD780 122; PD768 110; PD757 99; PD745 88; PD733 78; PD721 69; PD709 60; PD696 52; PD684 44; PD671 37; PD659 31; PD646 25; PD633 20; PD621 15; PD608 11; PD595 8; PD582 5; PD569 3; PD556 1; PD543 0; PD530 0; PD517 0; PD504 1; PD491 3; PD478 5; PD465 8; PD452 11; PD439 15; PD427 20; PD414 25; PD401 31; PD389 37; PD376 44; PD364 52; PD351 60; PD339 69; PD327 78; PD315 88; PD303 99; PD292 110; PD280 122; PD269 134; PD258 147; PD246 160; PD236 174; PD225 188; PD214 203; PD204 218; PD194 234; PD184 250; PD174 267; PD165 284; PD155 302; PU1490 202; PD1590 302; PD1581 320; PD1572 338; PD1564 357; PD1555 377; PD1547 396; PD1539 416; PD1532 437; PD1524 458; PD1517 479; PD1510 500; PD1504 522; PD1498 544; PD1492 567; PD1486 590; PD1480 613; PD1475 636; PD1471 659; PD1466 683; PD1462 707; PD1458 731; PD1454 755; PD1451 780; PD1448 804; PD1445 829; PD1443 854; PD1441 879; PD1439 904; PD1438 929; PD1436 954; PD1436 979; PD1435 1005; PD1435 1030; PD1435 1055; PD1436 1081; PD1436 1106; PD1438 1131; PD1439 1156; PD1441 1181; PD1443 1206; PD1445 1231; PD1448 1256; PD1451 1280; PD1454 1305; PD1458 1329; PD1462 1353; PD1466 1377; PD1471 1401; PD1475 1424; PD1480 1447; PD1486 1470; PD1492 1493; PD1498 1516; PD1504 1538; PD1510 1560; PD1517 1581; PD1524 1602; PD1532 1623; PD1539 1644; PD1547 1664; PD1555 1683; PD1564 1703; PD1572 1722; PD1581 1740; PD1590 1758; PD1600 1776; PD1609 1793; PD1619 1810; PD1629 1826; PD1639 1842; PD1649 1857; PD1660 1872; PD1671 1886; PD1681 1900; PD1693 1913; PD1704 1926; PD1715 1938; PD1727 1950; PD1738 1961; PD1750 1972; PD1762 1982; PD1774 1991; PD1786 2000; PD1799 2008; PD1811 2016; PD1824 2023; PD1836 2029; PD1849 2035; PD1862 2040; PD1874 2045; PD1887 2049; PD1900 2052; PD1913 2055; PD1926 2057; PD1939 2059; PD1952 2060; PD1965 2060; PD1978 2060; PD1991 2059; PD2004 2057; PD2017 2055; PD2030 2052; PD2043 2049; PD2056 2045; PD2068 2040; PD2081 2035; PD2094 2029; PD2106 2023; PD2119 2016; PD2131 2008; PD2144 2000; PD2156 1991; PD2168 1982; PD2180 1972; PD2192 1961; PD2203 1950; PD2215 1938; PD2226 1926; PD2237 1913; PD2249 1900; PD2259 1886; PD2270 1872; PD2281 1857; PD2291 1842; PD2301 1826; PD2311 1810; PD2321 1793; PD2330 1776; PD2340 1758; PD2349 1740; PD2358 1722; PD2366 1703; PD2375 1683; PD2383 1664; PD2391 1644; PD2398 1623; PD2406 1602; PD2413 1581; PD2420 1560; PD2426 1538; PD2432 1516; PD2438 1493; PD2444 1470; PD2450 1447; PD2455 1424; PD2459 1401; PD2464 1377; PD2468 1353; PD2472 1329; PD2476 1305; PD2479 1280; PD2482 1256; PD2485 1231; PD2487 1206; PD2489 1181; PD2491 1156; PD2492 1131; PD2494 1106; PD2494 1081; PD2495 1055; PD2495 1030; PD2495 1005; PD2494 979; PD2494 954; PD2492 929; PD2491 904; PD2489 879; PD2487 854; PD2485 829; PD2482 804; PD2479 780; PD2476 755; PD2472 731; PD2468 707; PD2464 683; PD2459 659; PD2455 636; PD2450 613; PD2444 590; PD2438 567; PD2432 544; PD2426 522; PD2420 500; PD2413 479; PD2406 458; PD2398 437; PD2391 416; PD2383 396; PD2375 377; PD2366 357; PD2358 338; PD2349 320; PD2340 302; PD2330 284; PD2321 267; PD2311 250; PD2301 234; PD2291 218; PD2281 203; PD2270 188; PD2259 174; PD2249 160; PD2237 147; PD2226 134; PD2215 122; PD2203 110; PD2192 99; PD2180 88; PD2168 78; PD2156 69; PD2144 60; PD2131 52; PD2119 44; PD2106 37; PD2094 31; PD2081 25; PD2068 20; PD2056 15; PD2043 11; PD2030 8; PD2017 5; PD2004 3; PD1991 1; PD1978 0; PD1965 0; PD1952 0; PD1939 1; PD1926 3; PD1913 5; PD1900 8; PD1887 11; PD1874 15; PD1862 20; PD1849 25; PD1836 31; PD1824 37; PD1811 44; PD1799 52; PD1786 60; PD1774 69; PD1762 78; PD1750 88; PD1738 99; PD1727 110; PD1715 122; PD1704 134; PD1693 147; PD1681 160; PD1671 174; PD1660 188; PD1649 203; PD1639 218; PD1629 234; PD1619 250; PD1609 267; PD1600 284; PD1590 302; SP0;

Print HPGL output @ 1000 steps per inch

processed 516 lines cutting area - 2.5" by 2.1"