基于TTF技术UG二次开发，用于UG 3D刻字，利用API函数GetGlyphOutline读取字模，再在UG转换成曲线拉伸成3D文字-UG secondary development based on TTF technology for UG 3D lettering, the use of API functions GetGlyphOutline read font, and then converted into a curve in the UG stretched into 3D