How to Open an IGS File on iPhone or iPad: Step-by-Step

Using Onshape

1. 
   Open the App Store

   

   . The App Store is where you purchase, download, and install apps. It has a blue icon with a white capital "A". You can open the App Store by tapping the icon on your homescreen.
2. 
   Tap the Search tab. The Search tab is in the lower-right corner. It's below an icon that resembles a magnifying glass. This displays a page with a search bar.
3. 
   Type Onshape in the search bar. The search bar is the grey bar in the center of the screen. Typing in the search bar displays a list of search results that match your text.
4. 
   Tap Onshape. When Onshape displays in the list of search results, tap it to display Onshape and similar apps in the App Store.
5. 
   Tap GET next to Onshape. This downloads and installs Onshape on your iPhone or iPad. Onshape has a blue icon that says "On" in white letters.

   • You may need to type your Apple ID password in order to download new apps from the App Store.
6. 
   Open Onshape. You can open Onshape by tapping the icon on your homescreen, or by tapping OPEN next to Onshape in the App Store.
7. 
   Create a Onshape account. To create a free account, tap Create an account and then fill out the form. Provide your first and last name, company name and company email, and phone number. Check the box below the form and tap Create a free account and follow the instructions to create an account.
8. 
   Sign in to Onshape. Enter the email address and password associated with your Onshape account, and tap Sign In .
9. 
   Tap the icon with a bar and up-arrow. The icon with the bar and an arrow pointing up above the bar is the Import icon. It's in the lower-right corner. Tap this icon to browse files on your iPhone or iPad.
10. 
    Tap Browse.... This option displays when you tap the Import button. This opens the file browser.
11. 
    Tap the Browse tab. The Browse tab is the second tab at the bottom of the screen. This displays the Locations menu in a bar to the left.
12. 
    Tap the location the IGS file is saved to. If the file is saved to your iPhone or iPad Storage, tap On my iPhone/iPad . If the file is saved to your iCloud drive, tap iCloud Drive . If it is saved to a different cloud-based storage service, such as Dropbox or Google Drive, tap that location.

    • If the cloud-based storage service the file is saved to isn't appearing in the Locations menu, make sure you have downloaded the cloud service app from the App Store and your are signed in to the app. Then tap Edit above the Locations menu. Then tap the toggle switch next to the cloud-based service you may need to appear in the Locations menu.
13. 
    Navigate to the IGS file. If the IGS file is saved to a specific folder, tap the folder to view its contents. Otherwise, scroll up and down to view all files in the storage or drive location.
14. 
    Tap the IGS file. This displays an import pop-up menu with two checkboxes. Check or uncheck the boxes as desired. The checkboxes are as follows.

    • Import with Y axis Up (not checked by default). If the file was created in a program that has the Y axis as the up axis, check this option to keep the orientation consistent.
    • Allow import of parts with faults (checked by default). If parts do not pass Onshape validation, they can still be imported with this option checked. Parts with faults are shown in red text in the features and parts list. ^[2]
15. 
    Tap Import. It's in the lower-right corner of the Import pop-up. This imports the IGS file to your Onshape directory. Allow a few minutes for the file to import.
16. 
    Tap My Onshape. It's the first option at the top of the list in the center of the screen. This displays a list of files and projects you have uploaded and saved using Onshape.
17. 
    Tap the IGS file you imported. This opens the IGS file in Onshape. There are basic drawing and shape design tools in the upper-left corner of the screen.