绘制矩形
插入特征-立方体
cmd: 保存/恢复设置 (保存配置文件)
S: 快捷栏
https://www.bilibili.com/cheese/play/ep567998?csource=common_myclass_purchasedlecture_null&spm_id_from=333.874.selfDef.mine_paid_list