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ENGINEERING DATASET

STEP Shapes

An estimated 18,558 unique STEP shapes, including 18,150 with fewer than 50 faces. Review their face-count distribution and projected library scale.

Current Inventory

The current STEP set contains an estimated 18,558 unique shapes. 18,150 shapes (98%) have fewer than 50 faces.

Face-Count Distribution

Face Count Estimated Unique Shapes
1 to 8 8,928
9 986
10 1,542
11 to 14 2,936
15 to 19 1,547
20 to 29 1,487
30 to 49 724
50 to 99 243
100 to 299 143
300 or more 22
Total 18,558

Estimated Library Scale

The expanded library is projected at about 186,000 unique STEP shapes, approximately ten times the current set. The projected mix follows the current distribution, with most shapes expected to have fewer than 50 faces.