Helm deep from the lord of the ring
The base
The base is made of two wooden plates, 80 x 60 cm on each side, 1 cm thick. On top of each slab, glue a panel of extruded polystyrene with pva, making sure that the panel is larger than the wooden slab on at least two of the four sides. The one I use is 2 cm thick.When spreading the PVA, try not to overdo the amount of glue, as well as being a waste, too large areas of PVA do not dry completely, so the panel and the sheet would be poorly glued. Let the glue dry at least one night, if you want to be sure of having an excellent result, place weights on the wooden side, so as not to leave marks on the polystyrene panel. Once dry, cut the polystyrene panel to size passing several times with the cutter. If the cut is crooked and exceeds the polystyrene with respect to the wooden panel, it is sufficient to use sandpaper to straighten everything.
You should have obtained two bases of 80 x 60 cm side, which now need to be glued together along the 60 cm side. Place the PVA on the wooden part along the entire length of the side, in this way the wood will absorb the PVA and ensure that the panels are welded once dry. You can also put pva on the polystyrene part, but do it without covering it entirely, otherwise you will have the same problem as before. to speed up the work I also used a bit of hot glue on the side, at the point where the bases join.
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