Mix one part cement with two parts aggregate and two parts sand to create a slurry consistency.
Add PVA bonder and manufactured plasticizer to the mix for fluidity.
Spray the inside of the mold with watered-down soapy water for smooth flow.
Fill the mold in sections, vibrating or tapping out air between layers.
Demold carefully to reveal the dragon cast, filling any bug holes with a cement mixture.
Keep the casts moist by wrapping them in plastic bags for a month to cure.
Your donation to Vidcook can help us continue to provide our free and valuable service as it costs a decent money to run! You can donate via PayPal by pressing the button below.