STEPモデル図の出典と利用条件

図は元のSTEPの形状を変更せず、Inefficiency Labが三角形分割して描画しました。
原図の色や材質は引き継がず、立体を識別する色を付けています。各モデルの表示縮尺は異なります。

build123d_bracket.step
https://github.com/gumyr/build123d/blob/17999d509ea0b08a6b45cb9bf71f6a7c9cc5dbc1/docs/topology_selection/examples/nema-17-bracket.step
STEP SHA-256: bc7b546d7062b56d93ad3a82fc90f25aa44e3930a9e98bdc93c5d409e4a84c2d

build123d_screw.step
https://github.com/gumyr/build123d/blob/17999d509ea0b08a6b45cb9bf71f6a7c9cc5dbc1/docs/M6-1x12-countersunk-screw.step
STEP SHA-256: 9498de2cbecee702169508984ceba3b87f72c6be83029f57f2de6da2f615bf41

ublox_emmy.step
https://github.com/u-blox/3D-Step-Models-Library/blob/ac8778fbdcb8faa7d722bc52877f9d17d557a330/SHO/EMMY-W1.STEP
STEP SHA-256: 0a26ff1a9b3782691344d95570d7b67e6afe76efca5d2a8d4ee7a51c6cf13b1a

build123d contributors — Apache License 2.0
ライセンス原文: https://inefficiencylab.com/images/research/step-part-information/build123d-LICENSE.txt
NOTICE原文: https://inefficiencylab.com/images/research/step-part-information/build123d-NOTICE.txt

u-blox — Copyright (C) u-blox
利用許諾原文: https://inefficiencylab.com/images/research/step-part-information/u-blox-LICENSE.txt

検証とデータの来歴:
https://github.com/cab0a/research-notes/blob/8cff58aa4c0d3d4d6dbe6a19c1103c1df38cf9e7/notes/public-step-corpus.md