About this 3D model

此模型用于将板材同2020铝型材进行连接，板材厚度可自由选择，每个面需使用4对本连接件。 A1 mini也可在同一盘打印4对模型。 每对连接件所需五金配件： 3个 T型螺母 20型M4 3个 六角螺母 M4 3个 螺丝 M4*6 3个 螺丝 M4*（最少板材厚度+6mm） This model is used to connect the sheet metal with 2020 aluminum profiles, and the thickness of the sheet metal can be freely selected. Each surface needs to use 4 pairs of this connector. A1 mini can also print 4 pairs of models on the same disc. Hardware accessories required for each pair of connectors: 3 T-nut 20 type M4 3 hexagonal nuts M4 3 screws M4 * 6 3 screws M4 * (minimum plate thickness+6mm)