Not sure if you got a notice from my previous thread about 2 new bugs I found, but here it is.

Mining double furnaces returns normal steel furnaces, and the picture when placed is a bit to the right compared to the hitbox.

The mining part was intented, it was the same for electric double furnaces. It made sense then because the electric furnace is used for science so it was a good way to recycle useless double furnaces, but that doesn't hold for the steel furnaces. You should now get a steel double furnace when mining one.

I also corrected the graphics issue and added the green glow I added for hr graphics so you should also be able to distinguish steel furnaces and double steel furnaces now. Thanks for the reports.

Thanks :)