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Tailor's Chalk: Thin Soapstone Cakes with Bevelled Edges
Tailor's chalk, also called French chalk, marks cloth for cutting and brushes off again; today it is usually talc. Soapstone is mostly talc, soft and easy to work, and seamstresses have long marked with it. Saw a block into thin square cakes and bevel the edges so they draw a fine line.
The picture: our diagram, a cake from above and from the side, and the line it leaves on cloth.
初学者
An afternoon
说明
1
1
Slice the block
Slice the block
Saw the soapstone into slices about 6 mm thick on a bench hook, then into squares of about 45 mm (our sizes).
此步骤所需材料：
皂石块1 公斤所需工具：
小手锯
锯割挡板
直尺
防尘口罩2
2
Bevel the edges
Bevel the edges
Rasp each edge to a bevel from both faces so the edge is thin, then rub the faces and edges smooth on a sandstone slab.
所需工具：
粗齿锉
砂岩板防尘口罩3
3
Try it
Try it
Draw along a ruler on a scrap of cloth: the line should be fine and visible, and brush off. Re-dress the edge on the slab when it wears round.
所需工具：
直尺砂岩板4
4
Cakes from a block
Cakes from a block
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