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Bone Folder Cut from a Leg Bone
Quill

Yaremwe na

Quill

14. Ukwakira 2026DE
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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

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:

IgufaIgufa1 igice
AmaziAmazi5 litiro

Ibikoresho bikenewe:

Ibirika ry'IcyumaIbirika ry'Icyuma
Icyobo cy'umuriroIcyobo cy'umuriro
2

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'ImigororwaUmucumita w'Imigororwa
Ifatiro ry'AmezaIfatiro ry'Ameza
Agapfukamunwa k'UmukunguguAgapfukamunwa k'Umukungugu
3

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'IcyumaIkariso ry'Icyuma
Ifatiro ry'AmezaIfatiro ry'Ameza
Igikoresho cyo gutobora gikoreshwa n'intokiIgikoresho cyo gutobora gikoreshwa n'intoki
4

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 GusyaUrupapuro rwo Gusya
Uruhu rwo gutyazaUruhu rwo gutyaza
5

Strips from one bone

Gupakira ikaye ya Jupyter…

Ibikoresho

2
  • 1 igice
    Umwanya
  • 5 litiro
    Umwanya

Ibikoresho bikenewe

9

Blueprint zijyanye

Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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