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[rafbe]

http://3dprint.com/27071/stainless-steel-iron-filament/ and other metallic filaments

[oscarspiegel]

Flexible filament

[skaveng]

Cement filament

[infrafox]

I find the electric conducting filament really cool, but I think it can be greatly improved. Also, bio-friendly and biodegradable materials should play a bigger roll in the filament selection.

[mdharrington]

super strength filaments with strong layer bonding.

Perhaps also an hybrid dual epoxy filament for dual extruder printers. Basically a ABS/Nylon other plastic laced with 1 half of an epoxy bond. 1 head would lay down 1 layer and the other the next, with the strength of a plastic along the length of the extrusion
and the epoxy bonding between the layers

[GOC]

Q: What new material do you think the filament market isn't providing, or isn't providing well?

A: Conductive filaments. They are slowly coming into the market, but they aren't quite as effective as they could be. Although there is a filament that has caught my attention in this category. The filament on kickstarter called 'F-Electric' looks very promising.

[Des]

A non-conductive silicon iron as used in electric motors to hold the wire coils in place and a copper that would actually conduct well to make windings. A printed motor core would need to then be dipped in enamel and baked for insulation to prevent the windings from shorting out.

Actually it would be a core for a wind generator not a motor, and magnets installed on the armature so when spun the coils produce electric form the magnetic flux as the magnets pass by.

To be able to print such a thing would be fantastic, and with a 3 extrusion head and the correct filaments it should be possible one day. A good insulation filament to eliminate the need to dip and bake in enamel would be great also.

[moke1180]

What new material do you think the filament market isn't providing, or isn't providing well?

Conductive material and carbon fiber are not being provided well in the market

[angelang]

I'd like to see more thermochromic filament.

[Dhalss]

I would like to see more filaments with metal like capabilities and more transparent glass like materials.