I pay particular attention to the Angle on both ears and feet as I want them to follow the isometriclines.
我要特别注意两耳朵和脚的角度，我希望他们按照等距线。
2
An isometric mesh on the concave of a spherical substrate was formed by latitude line intersection each other, in which latitude lines was generated by a concentric optical scanning method.
摘要纬线与纬线相交可形成球面等距网栅，而采用“同心扫描”的运动方式可在凹球面上生成纬线。
3
Equation about isometric polygon curve is set up with differential geometry theory. The curve is proved to be convex curve which the distance between any parallel tangent lines is equal.