Lego Train Track Crossing single double

when my boys are playing with their lego city train sets they wanted to have other railroad crossing tiles to drive over 2 parallel train tracks. that is why i designed a set of tiles to use with the LEGO City track system to use as railroad crossing tiles.

i have designed them as 3,2mm tiles those are the same as the actual lego tile thickness.
i also designed a double thickness 6,4mm tile, that way you do not need extra "filler plates" on top of the sleepers.

for a single lane crossing you need 1 4x8 tile 6,4mm or 3,2mm and add a couple of "filler plates" and 2 ramps( can be found as an STL file here: https://printablebricks.com/bricks/Slope_Brick_10_6_x_8
for a double lane crossing you will need 2 of the above per side.

if you want to place the railroad crossing where 2 train tracks run parallel (i.e. when using a switch)there is an open section between the tracks, it is 10 tiles long. for that reason i designed a special Double Track crossing tile to fit in between th