Arkon Tablet Holder Support Legs

I have one of the pictured Arkon Tablet Windshield Mounts, but I lost the extra legs for it. While you can purchase a new set of them, I wanted to take the opportunity to expand on my Fusion 360 learning.

There are 2 leg lengths included with the mount, a long version at 30mm, and a short version at about 20mm. I've modeled both of them here and included the ridged support along the sides to help strengthen it, along with fillet's on the supports to help with the printing process and avoid