Specification ：
[1] models providing an introduction to engineering drawing
[2] set of 18 cylindrical models, made from aluminium
[3] cylindrical models with cuts parallel to the spatial axes
[4] finely graduated degrees of difficulty within the model series
[5] all models clearly laid out in a storage system
[6] multiple storage systems can be stacked on top of each other
[7] precision manufacture of the models enables measurement exercises
[8] lesson-supporting instructional material
[9] multimedia instructional materials: PDF, DXF files, STEP files
[10] online access to the Media Center
[11] part of the DigiSkills: vertical teaching of di- gital skills in complex learning projects
