Coat-hanger wire Ø2.0 mm and paper-clip wire Ø1.0 mm — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/coat-hanger-and-paper-clip-wire/  (CC BY 4.0)
Basis: Measured consumer wire: wire coat hanger Ø2.0 (1.9–2.3 by maker), No. 1 paper clip Ø1.0 (jumbo Ø1.2); drawn as straight stubs
Catalog version: 2026-10-20

Sizes: see table below
- Wire coat-hanger wire is about Ø2.0 mm (1.9–2.3 depending on the hanger); the file is a straight Ø2.0 × 200 mm stub.
- A No. 1 paper clip is Ø1.0 mm wire and a jumbo clip Ø1.2; the file is a straight Ø1.0 × 100 mm stub.
- On the can engine I bend coat-hanger wire into the crank pins and con-rods (a Z bend) and use it as the 2 mm displacer rod.
- The can-engine cap and the LTD top plates have a Ø2 bore drawn for this 2 mm rod (fit: run, see their Mating features).

wire  dia_mm  range_mm  file_length_mm
coat hanger  2.0  1.9–2.3  200
paper clip No. 1  1.0  jumbo 1.2  100

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Wikipedia: Craft stick — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Craft_stick
- Wikipedia: BB gun — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/BB_gun
- Wikipedia: Table tennis — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Table_tennis
- Long Earth Society: Engine builds (videos and write-ups) — web, video — LES site — https://longearthsociety.com/engineering/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/coat-hanger-and-paper-clip-wire/index.json
API: https://xemstudio.com/api/geometry?object=coat-hanger-and-paper-clip-wire