Screw-press C-frame with a Tr16×4 nut boss, 70 × 60 foot — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/screw-press-c-frame-tr16x4/  (sheet CC BY 4.0; files Xem Studio Design License, https://xemstudio.com/license/)
Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Catalog version: 2026-10-20

Overall (mm): length 70.0, width 60.0, height 110.0
- C-frame: 70 × 60 × 10 foot with four Ø5.5 holes, 20 × 30 back pillar 110 high and a 50 × 30 × 30 top arm carrying a Ø36 × 30 boss with a Tr16×4 internal thread (the exact complement of the jack screw's basic profile); 30 mm throat between the nut and the foot.
- Nut height 30 mm = 7.5 threads engaged.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

dimension  value
foot  70 × 60 × 10, 4 × Ø5.5
pillar  20 × 30 × 110
nut boss  Ø36 × 30, Tr16×4
throat (nut to foot)  70 mm

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. 105: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_105.html
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/screw-press-mechanism/

Free files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/screw-press-c-frame-tr16x4/index.json
API: https://xemstudio.com/api/geometry?object=screw-press-c-frame-tr16x4