bherbruckandClaude Opus 5.5
a7fe0429f0
`cargo xtask step-corpus --iges` (and `solvecraft-cli step-corpus --iges`) opens every oracle part.igs as File → Open does and compares body count, volume, area and face count with Fusion's measurements, writing docs/iges-import.md. The run found faces closing at an apex (a drill point's cone, a sphere's pole: the seam runs out to the apex and straight back) kept whole and meshed wrongly; they are now split along the iso-line opposite the seam like bands are (18-hole-features and 40-box-sphere-torus pass). The one failure left, 50-sweep-tight-bend, is written by Fusion as five loose, partly degenerate surfaces that Fusion cannot read back as a solid either; documented in the report. Test: a drilled blind hole round-trips through IGES. Fixes #14 Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT
85 lines
9.6 KiB
Markdown
85 lines
9.6 KiB
Markdown
# IGES import (Fusion corpus)
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Generated by `cargo xtask step-corpus --iges`. Each case is a reference part exported from Fusion as IGES 5.3 (kept locally in `plan/fusion/oracle/`, never committed). SolveCraft opens `part.igs` exactly as File → Open does and compares with Fusion's measurements of the part it exported: body count, volume and area (relative tolerance 1e-3) and the number of faces read from the file. How IGES is read: see [STEP import](step-import.md#iges). 50-sweep-tight-bend is written by Fusion as five loose, partly degenerate surfaces (seams running into slits, a ring given twice); Fusion cannot read it back as a solid either.
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**75 / 76 files pass.**
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| Case | Result | Bodies | Volume mm³ (got / Fusion) | Area mm² (got / Fusion) | Faces (got / Fusion) | ms | Notes |
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|---|---|---|---|---|---|---|---|
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| 01-box | pass | Body1 | 24000.000 / 24000.000 | 5200.000 / 5200.000 | 6 / 6 | 35 | |
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| 02-cylinder | pass | Body1 | 35339.346 / 35342.917 | 6125.844 / 6126.106 | 3 / 3 | 399 | |
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| 03-box-through-hole | pass | Body1 | 45738.459 / 45738.053 | 9327.794 / 9327.788 | 7 / 7 | 292 | |
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| 04-revolve-vase | pass | Body1 | 112488.577 / 112499.479 | 13156.092 / 13156.615 | 5 / 5 | 1515 | |
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| 05-taper-extrude | pass | Body1 | 61814.826 / 61814.826 | 9676.915 / 9676.915 | 6 / 6 | 28 | |
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| 06-symmetric-extrude | pass | Body1 | 30000.000 / 30000.000 | 6200.000 / 6200.000 | 6 / 6 | 33 | |
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| 07-fillet-all-edges | pass | Body1 | 23340.463 / 23340.849 | 4726.195 / 4726.265 | 26 / 26 | 1285 | |
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| 08-chamfer | pass | Body1 | 23730.667 / 23730.667 | 5029.352 / 5029.352 | 10 / 10 | 64 | |
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| 09-shell | pass | Body1 | 13632.000 / 13632.000 | 13992.000 / 13992.000 | 11 / 11 | 76 | |
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| 10-rect-pattern-holes | pass | Body1 | 29803.844 / 29803.540 | 14652.460 / 14652.389 | 18 / 18 | 1988 | |
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| 11-circular-pattern-flange | pass | Body1 | 66758.418 / 66758.844 | 19320.582 / 19320.795 | 10 / 10 | 2360 | |
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| 12-mirror-feature | pass | Body1 | 21392.312 / 21392.920 | 6530.923 / 6530.973 | 10 / 10 | 753 | |
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| 13-combine-join | pass | Body1 | 45569.249 / 45571.680 | 8634.154 / 8634.336 | 9 / 9 | 383 | |
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| 14-combine-cut | pass | Body1 | 42932.838 / 42931.417 | 9706.788 / 9706.858 | 7 / 7 | 1401 | |
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| 15-combine-intersect | pass | Body1 | 54451.677 / 54454.273 | 7382.501 / 7382.743 | 7 / 7 | 2559 | solid 'Body1': face wrapping around a closed surface kept whole: unsupported seam loop layout (8 runs) |
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| 16-sweep | pass | Body1 | 2584.300 / 2584.724 | 1779.617 / 1779.698 | 5 / 5 | 1957 | |
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| 17-loft | pass | Body1 | 35120.291 / 35125.498 | 6495.290 / 6495.000 | 6 / 6 | 601 | |
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| 18-hole-features | pass | Body1 | 33890.962 / 33890.710 | 8568.687 / 8568.696 | 13 / 13 | 1552 | |
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| 19-l-bracket-constrained | pass | Body1 | 14720.000 / 14720.000 | 5472.000 / 5472.000 | 8 / 8 | 39 | |
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| 20-slot-constrained | pass | Body1 | 2965.385 / 2965.487 | 1774.641 / 1774.690 | 6 / 6 | 88 | |
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| 21-draft | pass | Body1 | 54574.737 / 54574.737 | 8781.998 / 8781.998 | 6 / 6 | 38 | |
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| 22-split-body | pass | Body1, Body2 | 75390.604 / 75398.224 | 12954.438 / 12955.175 | 6 / 6 | 802 | |
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| 23-bracket-multifeature | pass | Body1 | 59331.547 / 59331.129 | 18290.759 / 18290.737 | 19 / 19 | 1441 | |
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| 24-user-parameters | pass | Body1 | 34822.114 / 34821.903 | 8114.166 / 8114.159 | 7 / 7 | 437 | |
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| 25-sketch-triangle | pass | Body1 | 4032.155 / 4032.155 | 2274.099 / 2274.099 | 5 / 5 | 51 | |
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| 26-sketch-belt | pass | Body1 | 11326.049 / 11326.170 | 5637.345 / 5637.404 | 7 / 7 | 599 | |
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| 27-sketch-trapezoid | pass | Body1 | 5342.307 / 5342.257 | 3066.958 / 3066.946 | 8 / 8 | 832 | |
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| 28-blind-pocket-fillets | pass | Body1 | 84299.377 / 84299.249 | 16279.553 / 16279.572 | 23 / 23 | 2087 | |
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| 29-two-sided-and-partial-revolve | pass | Body1 | 25731.359 / 25731.307 | 6312.589 / 6312.602 | 12 / 12 | 229 | |
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| 30-fillet-after-shell | pass | Body1 | 21745.916 / 21745.876 | 14968.283 / 14968.332 | 27 / 27 | 1298 | |
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| 31-fillet-l-all-edges | pass | Body1 | 14321.380 / 14321.626 | 5023.977 / 5024.045 | 38 / 38 | 2673 | |
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| 32-boss-plate-fillets | pass | Body1 | 33590.273 / 33590.350 | 9929.855 / 9929.864 | 10 / 10 | 3878 | |
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| 33-fillet-tangent-chain | pass | Body1 | 8236.989 / 8237.122 | 2793.535 / 2793.569 | 14 / 14 | 1687 | |
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| 34-chamfer-then-fillet | pass | Body1 | 22892.359 / 22892.421 | 4753.672 / 4753.688 | 18 / 18 | 577 | |
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| 35-fillet-curved-curved | pass | Body1 | 63169.296 / 63171.443 | 10269.098 / 10269.348 | 6 / 6 | 9098 | solid 'Body1': face wrapping around a closed surface kept whole: split line does not reach the rings (×2); solid 'Body1': face wrapping around a closed surface kept whole: unsupported seam loop layout (8 runs) |
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| 36-corner-blend-two-radii | pass | Body1 | 57799.380 / 57800.240 | 8585.423 / 8585.524 | 18 / 18 | 3015 | |
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| 37-pyramid-apex-blend | pass | Body1 | 15465.384 / 15465.575 | 3914.545 / 3914.581 | 18 / 18 | 5090 | |
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| 38-coincident-cylinders | pass | Body1 | 15706.154 / 15707.963 | 3769.748 / 3769.911 | 3 / 3 | 354 | |
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| 39-tee-pipe | pass | Body1 | 24095.711 / 24096.237 | 16709.770 / 16710.048 | 7 / 7 | 2800 | solid 'Body1': face wrapping around a closed surface kept whole: unsupported seam loop layout (8 runs) (×2) |
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| 40-box-sphere-torus | pass | Body1 | 36287.765 / 36287.433 | 10696.188 / 10696.165 | 10 / 10 | 6187 | |
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| 41-tube-radial-holes | pass | Body1 | 20243.087 / 20243.981 | 14873.680 / 14873.773 | 22 / 22 | 9763 | |
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| 42-overlapping-patterns | pass | Body1 | 38488.942 / 38487.064 | 21687.167 / 21686.603 | 43 / 43 | 5322 | a solid's shell does not close; solid 'Body1': imported as an open body (the shell is not closed) |
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| 43-cut-splits-body | pass | Body1, Body2 | 28000.000 / 28000.000 | 7200.000 / 7200.000 | 12 / 12 | 128 | |
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| 44-shell-l-bracket | pass | Body1 | 8384.000 / 8384.000 | 8784.000 / 8784.000 | 15 / 15 | 132 | |
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| 45-shell-boss-plate | pass | Body1 | 13676.813 / 13676.602 | 14156.507 / 14156.602 | 15 / 15 | 785 | |
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| 46-shell-two-open-faces | pass | Body1 | 16044.000 / 16044.000 | 11398.000 / 11398.000 | 10 / 10 | 141 | |
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| 47-draft-curved-pocket | pass | Body1 | 111388.066 / 111387.712 | 17700.333 / 17700.361 | 11 / 11 | 290 | |
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| 48-pulley | pass | Body1 | 168508.132 / 168510.841 | 23718.191 / 23718.644 | 12 / 12 | 4041 | |
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| 49-helical-sweep | pass | Body1 | 4740.421 / 4738.099 | 4768.066 / 4767.652 | 3 / 3 | 33507 | |
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| 50-sweep-tight-bend | FAIL | Body1 | 1621.826 / 3758.443 | – / – | 4 / 5 | 813 | the surfaces do not close into a solid: imported as an open body; solid 'Body1': face #231: face boundary is not a closed loop; solid 'Body1': imported as an open body (the shell is not closed) |
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| 51-loft-rect-circle-offset | pass | Body1 | 61129.309 / 61133.116 | 9412.484 / 9411.655 | 6 / 6 | 532 | |
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| 52-circular-pattern-fillet | pass | Body1 | 47206.121 / 47206.850 | 14141.995 / 14142.171 | 21 / 21 | 5990 | |
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| 53-path-pattern | pass | Body1 | 35010.576 / 35010.398 | 16463.935 / 16463.894 | 13 / 13 | 1431 | |
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| 54-mirror-body-fillets | pass | Body1 | 22780.189 / 22780.089 | 6972.821 / 6972.832 | 12 / 12 | 861 | |
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| 55-tapped-hole-cosmetic | pass | Body1 | 17542.374 / 17542.314 | 4761.564 / 4761.596 | 8 / 8 | 543 | |
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| 56-holes-on-curved-face | pass | Body1 | 77940.974 / 77942.388 | 10592.891 / 10593.139 | 7 / 7 | 3231 | solid 'Body1': face wrapping around a closed surface kept whole: a hole crosses the split line |
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| 57-hole-pattern-sketch-points | pass | Body1 | 36767.089 / 36766.712 | 11818.157 / 11818.153 | 24 / 24 | 2099 | |
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| 58-phone-stand | pass | Body1 | 74559.445 / 74559.177 | 29148.741 / 29148.785 | 19 / 19 | 181 | |
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| 59-enclosure-base | pass | Body1 | 34309.026 / 34309.486 | 33795.404 / 33795.610 | 39 / 39 | 2120 | solid 'Body1': 2 face(s) could not be meshed and are not shown; solid 'Body1': face wrapping around a closed surface kept whole: cannot cut a ring edge at the split line (×4) |
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| 60-pipe-flange | pass | Body1 | 323660.822 / 323660.979 | 56984.283 / 56984.564 | 16 / 16 | 4410 | |
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| 61-shaft-keyway | pass | Body1 | 47521.369 / 47525.946 | 9676.777 / 9677.096 | 14 / 14 | 3019 | solid 'Body1': face wrapping around a closed surface kept whole: a hole crosses the split line |
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| 62-heat-sink | pass | Body1 | 43125.000 / 43125.000 | 45725.000 / 45725.000 | 66 / 66 | 278 | |
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| 63-hinge-knuckle | pass | Body1 | 4783.060 / 4783.117 | 4110.247 / 4110.287 | 14 / 14 | 974 | solid 'Body1': face wrapping around a closed surface kept whole: a hole crosses the split line |
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| 64-sketch-tangent-arc-chain | pass | Body1 | 4800.000 / 4800.000 | 3843.701 / 3843.712 | 9 / 9 | 113 | |
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| 65-sketch-gear-tooth | pass | Body1 | 3987.829 / 3988.084 | 1945.416 / 1945.485 | 9 / 9 | 119 | |
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| 66-sketch-linkage | pass | Body1 | 8045.432 / 8045.386 | 4308.169 / 4308.175 | 10 / 10 | 1662 | |
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| 67-sm-base-flange | pass | Body1 | 15000.000 / 15000.000 | 12800.000 / 12800.000 | 6 / 6 | 31 | |
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| 68-sm-edge-flange | pass | Body1 | 18972.511 / 18972.622 | 16057.510 / 16057.550 | 14 / 14 | 182 | |
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| 69-sm-tray | pass | Body1 | 29665.924 / 29666.234 | 24979.972 / 24980.086 | 46 / 46 | 568 | |
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| 70-sm-flange-45 | pass | Body1 | 18450.720 / 18450.777 | 15629.618 / 15629.637 | 14 / 14 | 112 | |
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| 71-sm-custom-rule | pass | Body1 | 10053.662 / 10053.717 | 13896.235 / 13896.299 | 22 / 22 | 277 | |
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| 72-sm-contour-flange | pass | Body1 | 12097.511 / 12097.622 | 10411.960 / 10412.002 | 22 / 22 | 264 | |
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| 73-sm-hem | pass | Body1 | 21334.436 / 21334.723 | 17994.374 / 17994.473 | 22 / 22 | 317 | |
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| 74-sm-unfold-refold | pass | Body1 | 15800.138 / 15800.304 | 13610.263 / 13610.326 | 32 / 32 | 286 | |
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| 75-sm-bracket-holes | pass | Body1 | 13915.905 / 13916.012 | 12035.926 / 12035.962 | 25 / 25 | 558 | |
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| 76-sm-thickness-variant | pass | Body1 | 22520.416 / 22520.575 | 16064.080 / 16064.128 | 14 / 14 | 139 | |
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