Carrier arm, 15 mm centres, Ø10 holes — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/tusi-carrier-15/  (CC BY 4.0)
Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Catalog version: 2026-10-20

Overall (mm): length 33.0, width 18.0, height 5.0
- 18 × 5 mm arm with two Ø10 holes 15 mm apart: turns on the ring gear's centre and carries the 30-tooth planet so it rolls inside the 60-tooth ring.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

dimension  value
centres  15 mm
holes  2 × Ø10

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Henry T. Brown (1868, public domain): Five Hundred and Seven Mechanical Movements — scan on archive.org — web — Publisher's page; dimensions are facts — https://archive.org/details/fivehundredseven00browiala
- 507movements.com: Brown's movement No. 329: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_329.html
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/tusi-couple-straight-line-mechanism/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/tusi-carrier-15/index.json
API: https://xemstudio.com/api/geometry?object=tusi-carrier-15