My take on the challenge.
8th iteration. Small tweaks and balances. Added a bottom plate for the clamp. Calling this one done :).
7th iteration. Reworked the clamps match reference more closely-er.
6th iteration. More balancing, added stains and loose brackets. To do is more colour variation and details, and changing the brackets a bit.
6th iteration. Silhouette
5th iteration. Some more balancing, started working on mask generators and colour.
4th iteration. Balancing and added text :).
3rd iteration. Balanced the gravel a bit.
2nd iteration. Swapped gravel and started on basecolour. No wear and stuff yet. Added water level.
1st iteration. I need to space the clamps a bit more precisely and work on the pebbles some more.
Reference from https://w-dog.net/wallpaper/stones-rails-railroad-top-view/id/336788/