Sublimating a glas wall clock 

Hello, the hole is already drilled (the glass plate is supplied with a hole). You can see how to attach the movement at the end of this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-fz9Z_66HRNA.html

Thanks for your tip.

what the name of glass

On our print templates for clocks you will find some various dials in the layers of the document.

Yes, you press the motif on the back side of the glass and therefor the motif mustn't be mirrored.

I know it's said MIRROR the image for most. As a glass thing it shows on the other side. Don't mirror on this occasion for glass.