If you want to enquire more information, send us a message. Please read FAQ before your request. We will try to respond to you as fast as possible. Or you can write a email:
When will you check my uploaded materials?
Downloaded file cannot be opened. What should I do?
Try to open a file using the last version of a corresponding program (you can solve 99% of all issues this way).
Viewer for Kompas (.cdw, .spw, .frw extensions) you can download for free here - https://kompas.ru/kompas-3d-viewer/about/
Viewer for Autocad (.dwg, .dxf extensions) you can download for free here - https://www.autodesk.com/viewers
If you cannot open a file using the latest versions of the software, please use the feedback form and write us a message with a link to the material. If we are not able to open the file as well we will refund your points which you spent for downloading this material. After that, we will remove the corrupted project.