@Brandon ***********
got mine in September and just rechecked but my email doesn't mention anywhere about printing it.
Only this:
INFORMATION:
1. Airlines may ask for the details of this e-mail so they can carry out checks to allow you to board the plane.
2. This e-mail is automatically generated. Please do not respond to this e-mail address.
3. For further inquiries regarding the issuance of this e-Visa, please contact the visa section of Royal Thai Consulate-General, Ho Chi Minh.
Alternatively, you can also download this confirmation by logging in to your account on the e-Visa website.