The Colony 19 product range provides a number of sci-fi/near-future floor tiles that are suitable for use in most RPG's and wargames of that genre. The tiles themselves are scaled at 1" per grid square, and are intended for use with 28/32mm miniatures.
Included in this free download are:
A-frame style door assemblies that can be used in conjunction with any of the tiles in the Colony 19 range (or... [click here for more]