Costing up some moulding materials

[Guest]

Im afraid I need some mathematical boffin


I have the opportunity to purchase some figure moulds. This will enable me to mould and paint my own figures without searching and purchasing at over inflated prices on e-bay


They are, I believe 28mm hero scale and stand about 4cm in height. I would like to know now many ml of liquid I would need to make a mould of them.


For sake of maths, lets pretend they are square boxes, 40mm x 20mm x 20 mm


How much liquid plastic would I need to fill that box? From there I can work out how many figures I can produce from a single bottle (ok, two bottles as its a 2 part mix) and then calculate the cost per figure.

[Guest]

OK, seems I got my figures slightly wrong


It turns out the liquid plastic isnt measured in ml, its measured by weight.


So, either


How much liquid plastic would I need to make a 40mm x 20mm x 20mm block


or


How many 40mm x 20mm x 20mm blocks could I make with 1kg of liquid plastic


Ive taken a rough guess at 50mg to allow for spillage and the bit left over in the pot fo 1kg would make 20 blocks?

[Gern]

Your arithmetic is correct Penny. At 50 gms each you would indeed get 20 figures.