I have a Samsung tablet in a Otterbox case. Even without the shell, it's too thick to fit into the slot on my Logitech K480 keyboard. So I designed these little adapters to fit fairly snug into the keyboard's rubber slot, and the adapters are thick enough to accept the tablet in the shell.

Creality

Ender 3

No

No

200

50

I printed with the following settings in PrusaSlicer:
Creality Ender 3 V2 with Jyers firmware and a Creality magnetic bed
240 C nozzle
80 C bed
0.8mm nozzle
0.24 layer height
150% first layer