Viewpad 7e case substitute for "chinese keyboard case"

This case is thinner and houses hatches for the keyboard's cable.
It is designed for the Viewpad 7e, whose dimensions are 193 x 138 x 14 mm.
You can use this as a template for your tablet if, like me, you find the "fake leather, cheap keyboard for tablets" case too big or (like in my case) if the case itself does not fit very well your talet's dimensions.
The file table_full_do_not_print is meant for you to see how to mount it.

Instead of printing tablet_main_front, which includes the a