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Step 2Make your moulds
You have to make exactly what you want , then take a fibre glass mould from it , the original object can be made from any thing , plaster , wood , wax ,
The top and bottom plate mould started off as a block of plaster , while it was set but sill moist i roughed it out with a router and smoothed out the contorts with a chisel , once the plaster had dried it was sanded filled and sealed and polished to 1200 grit before fibreglass was laid over it to produce the mould .
The rib mould was 2 layers of 16mm ply laminated together , planed down to a wedge shape , then cut to shape with a band saw , once the "Plug" was sealed and polished it was placed between 2 boards and fibre glassed up to produce the mould
The neck i carved out of timber , with mould making you have to look out for your angles , you cant under cut your mould or you wont get the finished product out
Dont forget a bond beaker on you r"plug" , there are many different types but i found PVA mould release easy to use
The top and bottom plate mould started off as a block of plaster , while it was set but sill moist i roughed it out with a router and smoothed out the contorts with a chisel , once the plaster had dried it was sanded filled and sealed and polished to 1200 grit before fibreglass was laid over it to produce the mould .
The rib mould was 2 layers of 16mm ply laminated together , planed down to a wedge shape , then cut to shape with a band saw , once the "Plug" was sealed and polished it was placed between 2 boards and fibre glassed up to produce the mould
The neck i carved out of timber , with mould making you have to look out for your angles , you cant under cut your mould or you wont get the finished product out
Dont forget a bond beaker on you r"plug" , there are many different types but i found PVA mould release easy to use
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