Patternmaking trade certification is available, but voluntary, in Ontario.
在安大略省制模行业认证是可用的，但是自愿的。
Patternmakers usually require completion of an apprenticeship or college program in patternmaking.
打样师通常需要完成打样制模学徒或大学课程。
The placement of support columns is based on a radially symmetrical 16-point star pattern and is inspired by Arabic patternmaking.
辐形对称16点星状的支柱结构，其灵感来源于阿拉伯国家的图案。
The placement of support columns is based on a radially symmetrical 16-point star pattern and is inspired by Arabic patternmaking.
辐形对称16点星状的支柱结构，其灵感来源于阿拉伯国家的图案。
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