Lewis side wedge 5 → 10 × 14 × 50, Ø6 pin hole — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/lewis-side-wedge-5-10x14x50/  (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 10.0, width 14.0, height 50.0
- Wedge 14 mm thick and 50 high: 5 mm wide where it leaves the stone, widening to 10 mm at its foot over the lower 30 mm (the dovetail's slope, 5 in 30), parallel above; Ø6 cross hole 8 mm from the top. Two of them, mirrored, flank the centre piece.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

dimension  value
wedge  5 → 10 × 14 × 50 mm
taper  5 mm over 30 mm
hole  Ø6

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. 493: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_493.html
- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/lewis-stone-lifter-mechanism/

Free files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/lewis-side-wedge-5-10x14x50/index.json
API: https://xemstudio.com/api/geometry?object=lewis-side-wedge-5-10x14x50