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UPDATE 31/10/2019
Today I added all the Tamiya putty to the front vent assembly. Once this dries for a couple of days, I can start to sand all the radius edges to the openings and finish this up ready to paint black and then apply the carbon decals
Next it was time to start building the rear diffuser. I play around with some card and scissors to get all the shapes right before I transfer them to 1mm plastic sheet. This saves wasting material. I worked out the side profile end plates first and then glued them to a temporary back support strip. This will be later almost entirely be cut away, it is just used to keep the structure straight while I am gluing it all together. I also used a couple of small drops of glue to hold it onto the back edge of the factory floor to get the vertical height right as it sits slightly lower than the side bodywork
Now flipped the body upside down so I can start building the rest of the sculpture
I then added the center part of the diffuser under the exhaust outlets. I angled the edges so the next pieces of plastic sheet has a better face to glue to.
Then the next pieces glued in place at the same angle as the sides of the exhaust outlet bodywork. Overlaps don't matter at this stage as it will all be sanded back flush
Next is the main sides of the diffuser. I bent these pieces with a slight curvature before gluing them in place
Removed from the chassis/body and it is holding together very good. I glued it all together with Tarzans grip superglue which seems to work very well on Evergreen styrene sheet
Next a lot of sanding to flush all the separate pieces together then added all the rounded edges
I then cut away the inner ribs and sanded the inside edges flush, as well as using a dome file to arch the inside vertical faces
This is how it sits back under the body. I have to add some filler to the inner corners to round them to match the outer round edges, and still have to make the vertical fins too. But once all this is done, I can then paint this gloss black like the real car and this piece will be done too.
And then I applied the Tamiya putty to the top and underside of the diffuser. Time to let this dry, then I can sand and start fitting the fins
More to come. Cheers
Today I added all the Tamiya putty to the front vent assembly. Once this dries for a couple of days, I can start to sand all the radius edges to the openings and finish this up ready to paint black and then apply the carbon decals

Next it was time to start building the rear diffuser. I play around with some card and scissors to get all the shapes right before I transfer them to 1mm plastic sheet. This saves wasting material. I worked out the side profile end plates first and then glued them to a temporary back support strip. This will be later almost entirely be cut away, it is just used to keep the structure straight while I am gluing it all together. I also used a couple of small drops of glue to hold it onto the back edge of the factory floor to get the vertical height right as it sits slightly lower than the side bodywork

Now flipped the body upside down so I can start building the rest of the sculpture

I then added the center part of the diffuser under the exhaust outlets. I angled the edges so the next pieces of plastic sheet has a better face to glue to.

Then the next pieces glued in place at the same angle as the sides of the exhaust outlet bodywork. Overlaps don't matter at this stage as it will all be sanded back flush

Next is the main sides of the diffuser. I bent these pieces with a slight curvature before gluing them in place

Removed from the chassis/body and it is holding together very good. I glued it all together with Tarzans grip superglue which seems to work very well on Evergreen styrene sheet

Next a lot of sanding to flush all the separate pieces together then added all the rounded edges

I then cut away the inner ribs and sanded the inside edges flush, as well as using a dome file to arch the inside vertical faces

This is how it sits back under the body. I have to add some filler to the inner corners to round them to match the outer round edges, and still have to make the vertical fins too. But once all this is done, I can then paint this gloss black like the real car and this piece will be done too.

And then I applied the Tamiya putty to the top and underside of the diffuser. Time to let this dry, then I can sand and start fitting the fins


More to come. Cheers