yes it is possible, all you need is to find your save file on your android device and somehow transfer it to a pc. The location of these files is printed in the game on the screen where your saved creations are listed. For android it is Android/data/com.evertechsandbox/files
the 3d model of an engine was similar but it was modeled from scratch. It was replaced recently with another one but in the android version of the game.