I participate in several web forums on origami, and recently in one of them someone asked questions about tips for folding square & triangular grids. Being somewhat of a specialist on the subject, I posted these thoughts: Hi,well, nobody necessarily likes pre-creasing grids, including me. So you’re not alone there. However, I think it’s important to think of it more as a meditative process, and instead of as a chore; it’s a task which you must do to fold a model, and it is, to some extent, an integral part of the model, so it’s worth taking the time to do it well and not rush through it to “get it out of the way”.As others have mentioned to you, if things are getting too small, you need to use larger paper. Also, and perhaps equally as relevant, you should be using better paper… higher quality paper will yield much better results from the same folding process, and is much more likely to give you a better looking result while also giving you less headache …