视频里的是第一版 现在这个优化了一下 可以免费/特价打样

底板减薄了（原版厚度超了），底部固定螺丝换成了薄头螺丝

左右两个固定块也减薄了

左右的固定块需要加工两个！

V块买L70-V50-2015或者3020都可以

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