A heavy beam with an I section, height 4.8 mm. A size for heavy halls, cranes and bridge spans in larger scales.
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Where a small structure turns into heavy steel, this size comes into play. Just under five millimeters of section height will stand up to the role of a crane runway, a bridge span or a hall column in larger scales. White polystyrene, 35 cm long, the unit of sale is a single rod.
A beam rarely stands on its own. It grows out of a footing and that tends to be concrete, and concrete is a material harder to paint than one would expect. It is not gray. Fresh concrete has a hint of yellow, old concrete a hint of green from algae on the north side, and wet concrete darkens by two tones. A uniform gray surface therefore looks like plastic painted gray, which is of course what it is.
The way out leads through unevenness. The base is laid in a warm sand tone, over it come patches of cooler gray applied with a sponge, and finally small maps of damp at the foot. Where a corner has broken off the concrete, a lighter core shows and a rusty wire peeks out, and it is exactly that detail that helps the scene most.
The profile itself can then be set into the footing butt to butt, but the joint holds better if a short pin is drilled into the plastic. Solvent cement joins styrene to styrene, but cyanoacrylate glue belongs on plaster or resin.
It pays to lay out the lengths on paper before building. One rod yields surprisingly few parts once you start allowing for the kerf.
Naši poradci a znalci sortimentu jsou připraveni odpovídat na Vaše dotazy (Po–Pá, 8–18 hod).
Zeptejte se na co potřebujete, odpovíme co nejdříve.
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