Any idea how one can cast such details like this exhaust where the exhaust is like a girth that narrows around the inside mold part when removing the resin from the silicone mold?
Is the solution to devide cut the inside part slightly offset so one side will alide out first before the other side?
Also how to make molds where the small details like oxygen hoses hanging free can be pulled out from the mold when casting?
I have seen such made i 1/72 and is beyond me how the cast is pulled from mold without breaking.
Good example is thes