Let’s face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded ...

Foam is all kinds of useful, but trying to cut it with scissors or a serrated plastic knife is usually an exercise in futility. What you really need is a hot wire for nice clean cuts. [Elite Worm ...

Modelling foam like this shapes well and is dense ... Now you've marked out your model, use a jig saw to cut around the outline. The holes for the wheels in the car can be made with a Forstner ...