All materials and where to buy

All projects need these basic materials. You can make almost anything with them.

Hard foam sheets
Also known as "Styrodur". The technical name is "Extruded polystyrene rigid foam panels (XPS)".
The most important material at FORM & PAINT. Ideal thicknesses are 1 mm to 6 mm. It can be cut, pressed and shaped as desired. Once pressed together, it will not bend back.
Available in model making and architectural supplies. Thick sheets from DIY stores are unsuitable.
Here is a list of which rigid foam sheets are very good and where to get them:  Sales locations

Paper handkerchiefs
Normal paper handkerchiefs that consist of several layers. They must not contain perfume or other additives.
Available in supermarkets.

Copy paper
Normal white paper for a printer, A4, 80 gr/m2.
Available in stationery shops.

Hard plastic film
Used for window panes.
Available as packaging material for, for example, baked goods and cakes.

Acrylic paints
Normal acrylic paints.
Available in craft and artists' shops.

Sandpaper
Fine grit 320 or 400. Coarse grit 40 or 60.
Available in craft and DIY stores.

Glue
Water-resistant wood glue. It is white. Also called universal glue or craft glue.
It must not contain any solvents. Here in Switzerland, I use water-resistant wood glue from Migros.
Available in craft, do-it-yourself and stationery shops.

Where to buy selected materials