Softball 11 in size — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/softball-11-in/  (CC BY 4.0)
Basis: Softball Canada rule 3: 276–283 mm circumference
Catalog version: 2026-10-20

Overall (mm): length 90.1, width 90.1, height 90.1
- Softball 11 in: Ø87.9–90.1 mm, 166.5–173.64 g (Softball Canada rule 3: 276–283 mm circumference). Diameter = circumference ÷ π.
- The file is a sphere at the maximum diameter (holders sized to it fit every legal ball).

dimension  value
diameter  87.9–90.1 mm
mass  166.5–173.64 g
rule  Softball Canada rule 3: 276–283 mm circumference

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Softball Canada: Softball Canada rule 3: 276–283 mm circumference — web — Publisher's page; dimensions are facts — https://softball.ca/resources/rulebook/fast-pitch-rules/official-fast-pitch-rules-of-softball/rule-3-equipment

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/softball-11-in/index.json
API: https://xemstudio.com/api/geometry?object=softball-11-in