a) Motorised wheelchair for Alien Resurrection(Film released 1997) Sylvain Despretz.
(Source: Facebook page for Los ángeles - a book of drawings and writing about movies.)
b) Nostromo Lander - Owl design (1978) for Alien by Ron Cobb, (which like the motorised wheelchair also appears to reference 'The Snap-dragon-fly' for Lewis Carroll's Alice Through The Looking Glass (1871) by John Tenniel)
|Nostromo Lander - Owl design|
c) One above the other with the motorised wheelchair reversed
c) What they did with the insect head.
The cockpit and some mechanical part of the chair that doesn't have a label
d) Side thrusters become the wheel skirting