Health, food and farming
Cake decoration instruction diagram — the number of decorations follows the number of slices
How many strawberries go on a cake is decided by how many slices it will be cut into, and they sit between the cut lines rather than on them — a berry on the line is halved by the knife and lands on two plates
This drawing comes from one YAML file. No shape was moved by hand.
Notes in the source (in Japanese)
飾りの数は「見た目」ではなく、切る数で決まる。8 人で分けるなら 8 等分にし、いちごは等分線の上ではなく、あいだに置く ——線の上に置くと切るときに刃が割って、どちらの皿にも半分ずつ乗る。
号数は直径(1 号 = 1 寸 = 約 3cm)だが、量は面積で増える。4 号 12cm・113cm²/5 号 15cm・177cm²/6 号 18cm・254cm²/7 号 21cm・346cm²/8 号 24cm・452cm²。5 号 → 6 号は直径で 1.2 倍でも、面積は 1.44 倍(15² → 18²)——5 号を 6 号に「1 号上げる」のは「2 割大きくする」ではなく「4 割増やす」(4 → 5 号は 1.56 倍、7 → 8 号は 1.31 倍)。
切り分けは中心角で決まる。 6 号(円周 56.5cm)なら6 等分で 60°・外周 9.4cm、8 等分で 45°・7.1cm、12 等分で 30°・4.7cm。外周が 5cm を切ると、先が細くなって切り口が崩れる ——人数が増えたら等分を増やすのではなく、号数を上げる。
上から見た図だけでは、側面が決まらない。同じ上面でも、側面がナッペか絞りかで見た目は別物になる。プレートの向き(文字の天地)も、箱を開けた人がどちらから見るかを別に書かないと伝わらない。
Source (YAML)
examples/gallery/276-ケーキのデコレーション指示図.zumen.yaml
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