Plain words. Exact parts.

Extrastep turns your words and sketches into precise mechanical parts that fit your hardware, ready to print or machine.

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Over 3,000 standard parts, built in. Screws to steel beams, straight from their standards.

Fasteners
6 types
173 sizes
Bearings
3 types
68 sizes
Gears
3 types
Any size
Chain sprockets
24 chains
Threads
6 types
419 sizes
Seals
2 types
496 sizes
Profiles
5 types
1,961 sections
  • Socket head screwISO 4762 M5×16
  • Threaded rodISO M8×1.25
  • Hex nutISO 4032 M5
  • Ball bearing608ZZ
  • Linear bearingLM8UU
  • Spur gearModule 1, 24 teeth
  • Helical gearModule 1, 20 teeth, 20°
  • Chain sprocketISO 606 08B, 15 teeth
  • Lead screwTr8×8 (P2)
  • O-ringAS568-214
  • T-slot extrusionMisumi HFS5-2020
  • I-beamIPE 100

Describe your first part.

Export it as STEP, STL or 3MF, for your printer, your machinist or your own CAD.

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