Rubik 3x4x5

Made by mf8, sold by Mefferts 2012.
(plastic, 2.1" x 2.75" x 3.5", with storage bag 7.4" x 5.75";
white opposite yellow, red opposite orange, green opposite blue)

For all three dimensions, only 180 degree turns are useful.

Further Reading
Jaap's Page, from: http://www.jaapsch.net/puzzles/cube345.htm