Hot answers tagged

7 votes

How to cut out notches and holes in foam semi-precisely?

The "aircraft" you reference is made of expanded polystyrene foam, also known as Styrofoam™. It is sensitive to heat to the point that there are high-temperature-based tools to address your ...
  • 6,588
5 votes
Accepted

Where to Get a Smooth Foam Mat for Crafts/Packaging?

The mats are common, as you suggest and are composed of EVA foam. Almost every source I've found involves textured surfaces and interlocking edges. This is not universal. Cosplay costume makers use ...
  • 6,588
5 votes
Accepted

Are there certain types of foams I should not be cutting?

Yes there are certainly foams you should exercise caution around when cutting. And an easy way to check what cautions you need to take when working with different foams is to look up the foam's ...
  • 2,946
4 votes

Are there certain types of foams I should not be cutting?

polystyrene foam and similar materials "Similar materials" are basically other thermo-plastics (melt when heated). Whenever plastic is melted a certain amount of vapor is emitted, but generally not ...
  • 643
4 votes
Accepted

Alternative for wickes PVA glue in america

PVA is one common type of wood glue (one global example is Gorilla wood glue), though the product in the video is the cheaper builder's PVA which can be mixed into plaster, or diluted and used as a ...
  • 5,228
4 votes
Accepted

How can I identify/select a foam for stiffening a bag (buying online)?

What you're looking for is foam interfacing (Pellon Flex Foam, Annie's Soft & Stable, Bosal In-r-Form, etc). This is a soft foam material generally about 1/4" (6mm) thick, designed to be sewn ...
  • 3,367
3 votes

How can I identify/select a foam for stiffening a bag (buying online)?

If the only problem with the craft foam is the floppiness, you may have luck with high-density EVA foam. Depending on where you're located, there are a number of online cosplay suppliers who have it ...
  • 201
3 votes

Casting foam inlay for briefcases

Casting foam inlays isn't all that different from creating a silicone mold, except the mold is mostly pressure-sealed; the foam creates a lot of pressure, so the mold needs to be strong enough to ...
  • 10.4k
2 votes

Make foam rubber case

When you suggest that you are using foam rubber, the term invokes many different types of materials with the same name. The density and stiffness of the various choices provide some challenge to a ...
  • 6,588
1 vote

Where to Get a Smooth Foam Mat for Crafts/Packaging?

A similar material is used for cheap camping mattresses. It's usually blue. Search for "blue foam camping pad" or "sleeping pad" or "camping mattress" or "yoga mat&...
  • 1,681
1 vote
Accepted

How to cut a small cylinder out of a chunk of foam with some precision

I would try to use one of the leather hole punchers in the right size. They come in different shapes, for your use I would look for the straight version. Like in this picture. There is also a wider ...
  • 2,536

Only top scored, non community-wiki answers of a minimum length are eligible