我做了一个相当傻气的装置，不过它在来回移动物品方面表现得相当不错。这是一个未经精心打磨的设计，还有很多可以改进的地方，但说真的，它确实能正常运作。

以下是我为它购买的所有零件，你需要15个M3规格的不同长度的螺母和螺栓。

https://www.amazon.com/gp/product/B08YR17L3B/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

https://www.amazon.com/gp/product/B08334MFVT/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

https://www.amazon.com/gp/product/B088WB8D7W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B07SC3F8XV/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

https://www.amazon.com/gp/product/B08B878KPT/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B07FVZHD34/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B082ZNJR7D/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1