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Parallel ruler blade 200 × 20 × 5, pivot hole and 3 mm slot

What is a parallel ruler blade? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: parallel ruler, rolling ruler blade, regla paralela, Parallellineal

Exact dimensions. True size, with no printing tolerance added.

length
200.0 mm
width
20.0 mm
height
5.0 mm

Notes

  • 200 × 20 × 5 straight-edge with a Ø3 pivot hole 40 mm left of centre and a 3 mm slot from 12 to 40 mm right of centre: two blades and two crossed 80 mm links make a parallel ruler that opens 0–55 mm.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Parallel ruler blade 200 × 20 × 5, pivot hole and 3 mm slot size chart

dimensionvalue
blade200 × 20 × 5 mm
pivot holeØ3 at x = −40
slot3 mm wide, centres x = 12 … 40

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Henry T. Brown (1868, public domain)Five Hundred and Seven Mechanical Movements — scan on archive.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 324: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

parallel-ruler-blade-200blade, z 0..5STEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=parallel-ruler-blade-200

Parallel ruler blade 200 × 20 × 5, pivot hole and 3 mm slot, isometric render of a generated part
Render of parallel-ruler-blade-200 from the free STEP; not to scale.

Fits with

Questions

What is a parallel ruler blade?

200 × 20 × 5 straight-edge with a Ø3 pivot hole 40 mm left of centre and a 3 mm slot from 12 to 40 mm right of centre: two blades and two crossed 80 mm links make a parallel ruler that opens 0–55 mm.