I didn't want to spend all the $$$ for a built-in entertainment center that'll be outdated in a few years and have buggy software. Instead, I designed these clips to hold a 10" tablet (specifically a 1st gen Lenovo Duet). They fasten to the center console using existing mounting points. Simply remove the armrests (in my 2024 Sienna, they're made to come off without any damage), and position the printed mounts over the rear clip holes. Once the armrests are re-attached, the tablet mounts are very secure and the armrests are completely functional again.

I've uploaded the Fusion 360 file and a step file in case you need to modify it for your specific tablet. For reference, my tablet is 240mm wide and 7.4mm thick and it's got a little wiggle room for a wider/thicker tablet, but not much.

When printing, simply mirror the part for the other side. Print with the outer face on the plate to avoid using any supports.