3D printer

[prof pat pending]

Just make sure they have ABS filament and not PLA (which schools use a lot). PLA is water soluble.

PVA is water soluble, and expensive in comparison

 

[Baddox]

PVA is water soluble, and expensive in comparison

Poly Lactic Acid? The latest bidegradable wonder-polymer.

 

[prof pat pending]

Poly Lactic Acid? The latest bidegradable wonder-polymer.

Indeed, not quite the same thing as water soluble though

http://www.cupdepot.com/PLA-FAQ.htm

 

[Baddox]

Indeed, not quite the same thing as water soluble though

http://www.cupdepot.com/PLA-FAQ.htm

You’re right it’s not the same and I wasn't trying to suggest they were; but I was wondering if references to PLA and PVA were getting a little mixed up in the discussion.

 

[prof pat pending]

Quite possibly

 

[prof pat pending]

Setting aside the high priority boaty items

This might be an interesting thing to get the kids and the printer involved with http://enablingthefuture.org