Notice： Dear our respected Tsridiopen users Tsridiopen app is professional industrial CAD software，mostly helping designers and industrial manufacture workers and managers to view, share, annotate and exchange 3D models and 2D drawings on apps, browsers and PCs. Tsridiopen also supports more than 100 kinds of 3D models and 2D drawings, which is fully compatible with DWG, DXF, DWF and DWFx. Specifically,Tsridiopen can work on Android and IOS phones, windows clients and web browsers. You can