Modulars requires many small squares to fold and assemble. It's a good idea to use sheets with an assortment of colors or patterns to highlight the geometric aspect of the models. Examples of books with modulars.
Below thissize, youmay encounter problemsto foldyourmodels. The sizeof30x30cmis often the minimum size! Complex modelsalso offeran important ratiobetween the sizeof the sheetandthe final sizeof the model.Unless you wantto fold atiny origami world, your papermustthereforebewide enoughtoget a resultexposable.