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New addition to the Toolkit

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Post  brian Sun May 28, 2023 8:57 pm

Im building another BMW M3 at the moment and again using an Otto as the base.
For anyone familiar with these, the front grill is glued in from the front and is difficult to get out, especially on the later M3 releases since Otto go over board on the hot glue. Normally you have to pry it out but this can damage the grill and the area surrounding the grill.

What Ive done in the past with most of the other Otto M3s Ive built is drill from behind into the cavity between the model and grill, poor in hot water to soften the glue and push the grill from behind. This time however, things didnt work out like I had expected. I drilled a little bit too far, and the drill bit caught the back of the grill and went straight through.

After much cursing and searching on ebay for a replacement, as well as a failed attempt to recreate it in milliput, I raided my wife's jewellery making supplies. I removed a good grill from another Otto M3, used milliput to create a mould of what I needed, and filled that mould with a Clear Resin. Once the resin was in place, I cured it with a UV light which turned it solid straight away. Removed from the mould, tidied up edges and glued it in place.

Overall, very pleased with this resin, and its now become a very useful new addition to the toolkit. You can even use it for gluing parts together or filling holes.

New addition to the Toolkit 20230520
New addition to the Toolkit 20230518
New addition to the Toolkit 20230519

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brian
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Post  bmd Sun May 28, 2023 10:59 pm

thats excellent brian, well done (and mrs brian too lol!) yep they really do like overuse of the hot glue, pain in the proverbial taking them apart...
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Post  RORY O CONNOR Mon May 29, 2023 1:36 pm

If you put the model into a sink of hot water for about 10 minutes, the glue softens enough that you can prise the grills and rear lamps off etc. The windows also push out and the glue can be peeled off the frames and the plastic glazing with ease. I used a long fine pointed but strong sewing needle to get the grills out in the past! The jacking points on the front and rear can also be pulled out this way when the glue is soft but you gently need to grip them with a pliers or something. I actually might have an M3 grill somewhere!
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Post  reeft1 Thu Aug 24, 2023 7:39 am

Cunning solution
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