My current project is this 3-D print unknown manufacturer St. Chamond tank. I ordered this off eBay for a very reasonable price. I was however disappointed at the deep print lines all across the surface. I made the decision to sand all surface details off and then scratch build it back.
Originally, I tried filling the print lines with Mr. Surfacer 500.

Here is the results after two liberal coats:

I decided to scratch build the entire top decking.
The resin is rock hard and very difficult to sand. Due to the simple angular shape of this tank I was able to use a Dewalt flat sander to remove the bulk of the raised detail.
Next, I started to add the bolted on panel supports

Top t bars added:

Next I added the hatches and doors. Hinges are spare PE turnbuckles

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I then started constructing the house like structure at the upper rear of the tank. I think this is some ventilation for the engine


I realize that some details are overscale and not completely accurate. But I think it’s coming along well considering I don’t have any 1/72 scale plans and my rough starting point.
That’s all for this week.
Thanks for looking in!
Tim