These family crests (In Japanese, KAMON) are called 'Hishi Mon' in JAPAN.
|Takeda rhombus||Divided rhombus||Rhombic pine bark||Three-tiered rhombuses in circle|
Note !! : Family crest of "Takeda Shingen" is "Divided rhombus" rather than "Takeda rhombus".
Drawing method of Takeda rhombus
The rhombus of "Rhombic pine bark" and "Three-tiered rhombuses" is a combination of two equilateral triangles.
|Connect the two equilateral triangle||Rhombic pine bark||Three-tiered rhombuses|
The symbolism of the rhombus is uncertain, but it has been common in decorative patterns since the Nara Period and appears very frequently in kamon designs. (From 'Family Crests of Japan' ICG Muse, Inc.2001)