RepRap and its variants are notable because RepRap is an open-source project, and designers contribute their CAD files openly, allowing others to print with them or even modify the designs.
RepRap及其变体都声名在外，因为RepRap是一个开源项目，设计者提供他们的CAD文档，允许其他人打印或者修改设计。
RepRap and its variants are notable because RepRap is an open-source project, and designers contribute their CAD files openly, allowing others to print with them or even modify the designs.
RepRap及其变体都声名在外，因为RepRap是一个开源项目，设计者提供他们的CAD文档，允许其他人打印或者修改设计。
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