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Bone Folder Cut from a Leg Bone
A bone folder is a dull-edged tool for folding and creasing paper in bookbinding; traditionally it is cut from the leg bone of a cow or deer, which leaves little residue on the paper. Clean a leg bone, saw a strip from the thick wall of its shaft, shape one end round and the other to a blunt point, and smooth and polish it.
The picture: two bone folders, one straight and one tapered.
Utangiye
An afternoon
Amabwiriza
1
1
Clean the bone
Clean the bone
Simmer the leg bone in water until the meat and fat come away, scrub it, and let it dry for several days.
Ibikoresho by'iyi ntambwe:
Igufa1 igice
Amazi5 litiroIbikoresho bikenewe:
Ibirika ry'Icyuma
Icyobo cy'umuriro2
2
Saw a strip
Saw a strip
Saw off the knobbly ends, then saw a strip about 2.5 cm wide and 15–20 cm long lengthways from the thick wall of the shaft. Wear a mask; bone dust is fine.
Ibikoresho bikenewe:
Umucumita w'Imigororwa
Ifatiro ry'Ameza
Agapfukamunwa k'Umukungugu3
3
Shape it
Shape it
File the strip flat on both faces, round one end and taper the other to a blunt point. Keep every edge dull. Drill a small hole for a hanging cord if you like.
Ibikoresho bikenewe:
Ikariso ry'Icyuma
Ifatiro ry'Ameza
Igikoresho cyo gutobora gikoreshwa n'intoki4
4
Smooth and polish
Smooth and polish
Sand it smooth with finer and finer paper, then rub it on the strop until it is glossy and slides over paper without catching.
Ibikoresho bikenewe:
Urupapuro rwo Gusya
Uruhu rwo gutyaza5
5
Strips from one bone
Strips from one bone
Gupakira ikaye ya Jupyter…
Ibikoresho bikenewe
9- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
Blueprint zijyanye
Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame
CC0 Umurenge rusange
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