Single block of 40x40x20 cm polystyrene blocks, ideal for window displays, large letters and event decoration. Lightweight, easy to paint and simple to customise.
The 40x40x20 cm polystyrene block in a single block is designed for projects that need lightweight, easy-to-customise pieces. This size works especially well for window displays, large letters and event decoration, giving you a practical balance between usable volume and easy handling.
The foam surface can be painted, glued, covered or cut depending on the finish you need. That makes it suitable for crafts, displays, modelling and themed decorative work. It also performs well with nichrome wire cutting when cleaner repeated shapes are required.
One of the strengths of this format is that it is is useful when you need more visual presence without losing easy workability. That makes it a useful option for workshops, schools, seasonal decoration and small production runs.
In practical terms, the 40×40×20 cm size is a strong choice if you want something versatile, manageable and easy to adapt to different creative uses. If you need more visual bulk, a larger block may fit better.
Other sizes available:
See all polystyrene blocks:
Polystyrene blocks for crafts and decoration
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