A:AnswerCase dimensions: Height: 9.4 inches X Width: 13.7 inches X Depth: 1.1 inches
Yoga 910 dimensions: Height: 8.8 inches X Width: 12.7 inches X Depth: 0.6 inches
So it looks like the Yoga 910 will fit in the case but loosely.
A:AnswerThe dimensions of the Yoga 3-14 are: Width: 13.18" x Depth: 9.03" x Height 0.72" inches. The case dimensions are: Width: 13.70" x Depth: 9.40" x Height: 1.10" inches. So it looks like the Yoga 3-14 will fit in the case, but it will be a loose fit, not a custom fit.
A:AnswerThinkPad X1 Carbon dimensions: Width: 13.11" x Depth: 9.01" x Height: 0.65".
Sleeve dimensions: Depth: 9.4 inches X Width: 13.7 inches X Height: 1.1 inches
It looks like the sleeve is big enough to hold the X1 Carbon. The sleeve is not made for the ThinkPad X1 Carbon though.