DWG FastView enables you do real CAD work on the go

1⃣Precision Drawing: View or edit drawings on mobile phone anytime, anywhere.
2⃣Offline Operation：Drawings can be edit offline whereever you are.
3⃣A Key to Share: Just one click, not only drawings but APP can be shared by Dropbox, Gmail, Message and so on.
4⃣Simple Operation: No office equipments are necessary. As long as one smart phone in hand, designs can be finished easily.

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Saudações, instalei agora o programa, como usar o comando TRIM e EXTEND? por favor