9 免費剪貼畫圖片 適用於 2 Fold Rotational Symmetry

Two-interlaced-trefoil-knots-30crossings
Interwoven unicursal hexagram
12crossings-rose-limacon-knot
14crossings-decorative-knot-trig-curve
Interlaced-pentagon-pentagram-flower
五角星
Triquetra-circle-interlaced
Floral fivefold knot green (geometry)
五角星
8crossing-symmetrical-nonalternating
打結結
Flag of Finland Air force squadrons without squadron emblem
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