Plans: magnet-assisted bryophyte cross sectioning tool

Content of the plans:PDF and CAD plans for the magnetic support plate set up for standard 76 x 26 mm microscope slides. For slides with other dimensions, modifications are needed as specified in the PDF plan.图纸内容：用于适配标准76×26毫米显微镜载玻片的磁性支撑板配套PDF文件及计算机辅助设计（CAD）图纸。对于尺寸非标准的载玻片，需依照PDF图纸中载明的规范进行修改调整。