this is the mtl now

#
# Generated by Sweet Home 3D - vr jan 24 19:40:11 CET 2025
# http://www.sweethome3d.com/
#

newmtl top
illum 2
Ka 0.2 0.2 0.2
Kd 1.0 1.0 1.0
Ks 0.46875 0.46875 0.46875
Ns 60.0
map_Kd water_top.jpeg
d 0.4