Transition curve between the concentric circles is now circular. Also this structure avoids anti-aliasing rendering problems (double segments eliminated).<br/>環<br/>3D、2015、circle、Lazur、overlapping beauties、remix 206081、ring、spiral、spiral ring、URH<br/>ZD、2015、圈、天藍、重疊的美女、混音206081、環、螺旋、螺旋環、URH<br/>資料來源:openclipart ( https://openclipart.org/ )
修改日期:2026-05-29