I know this is not a model to be shown but
I think I have read about mixing casting sand with motor oil ( may be used).
I don't know how well this works but worth a try.
I do know of a chemical that uses CO2 to harden it, single use.
Dennis
I think I have read about mixing casting sand with motor oil ( may be used).
I don't know how well this works but worth a try.
I do know of a chemical that uses CO2 to harden it, single use.
Dennis