Softball 12 in size — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/softball-12-in/  (CC BY 4.0)
Basis: Softball Canada rule 3: 302–308 mm circumference
Catalog version: 2026-10-20

Overall (mm): length 98.0, width 98.0, height 98.0
- Softball 12 in: Ø96.1–98 mm, 178.0–198.45 g (Softball Canada rule 3: 302–308 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  96.1–98 mm
mass  178.0–198.45 g
rule  Softball Canada rule 3: 302–308 mm circumference

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Softball Canada: Softball Canada rule 3: 302–308 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-12-in/index.json
API: https://xemstudio.com/api/geometry?object=softball-12-in