i have no idee how it will react on high moisture, but a polyester as wat i use has not so much effect i think
and the new cutter can do thikker materials, mayby also thin plastic
for that part it's try and error.
You can use lacquer to impregnate cardboard - when I was a boy I built a whole boat model that way and it withstood all the tests and trials in real water I carried out with it. Small parts can be impregnated and stiffened by super glue - my window frames are al treated with it.
Use a lacquer as Helmut suggests. Any solvent based resin where the carrier evaporates leaving an impregnated resin in the cardboard works almost indefinitely in my experience. I usually use shellac in methyl alcohol but there are other, more modern but more expensive similar treatments intended as preservative base coats for external joinery. Many of my 'models' are built of cardboard cereal packets or similar. If you make a mistake, throw it away & start again.
Helmut : I've never used superglue for reinforcing small cardboard parts.
Hi Micheal , I use a quick drying wood glue got to watch it and not use too much as the cardboard will go soft I mainly use the 1mm thick craft sheet cardboard on my Boing 737 fuselarges. First attemp wasn't so crash hot second one much better , I built the fuselarges in sections had trouble linning up the tail section, next model be built in one whole fuselarge, in HO scale 1/87th, can't buy a plastic model in that scale too exspensive to cut up, make a good train load and the 737's still make their first journey by train. Have you heard of Sydney Central station, I am modelling that building think it might be too big to build out of cardboard, you can see it on Google Earth, the width I am not modelling to scale to big cutting it back will still look great when finished.
Hot weekend coming up in the low 40's be drawing my second station building modelled on the East Perth Terminal where the Ipdian Pacific ends her journey.
Tony from down under
Last edited on Wed Dec 28th, 2016 10:24 pm by Tony M