POROLAY LAY-FELT by Kai Parthy / Lay-Filaments

POROLAY LAY-FELT, it contains stiff or soft felt-fibers.

Product information


POROLAY is the name of a brand new series of 3D printer filaments. This new revolutionary line consists of foamy, felty filaments with a porous structure. With this filament you can build porous flexible objects.

The POROLAY line consists of four different types of filaments: LAY-FELT, LAY-TEKKKS, LAY-FOMM (40 & 60) and GEL-LAY. LAY-FELT and LAY-TEKKKS are similarly felt-like materials, though LAY-TEKKKS is thinner and more fibrous. LAY-FOMM and GEL-LAY are foamy and gel-like respectively. The composition of the POROLAY filaments consist of two different materials; a functional component, for example an Elastomer (i.e. a rubberlike) and a soluble component (e.g. PVA, sugar, salt, or soluble resins).

Note: the POROLAY filaments are specially designed for experimental use by experienced users.

POROLAY LAY-FELT is a new filament which has felt-like features, it contains stiff or soft felt-fibers. This material is made from a elastomeric polymer and a PVA-component. That means that part of this filament is water soluble. Once you rinse this material in water, the PVA component dissolves and the elastomeric polymer remains as your stabil fibrous object. The felty feature of this material makes it ideal for printing filters, 3D membranes, semipermeable membranes, artificial paper and bendable felty fabrics. LAY-FELT is also very suitable for use in water treatment membranes, or in electro-cells.

Your object printed with LAY-FELT will feel strong and rigid (slightly bendable) but after rinsing the print with water the object becomes like oriented felt, bendable but not elastic. This makes it very suitable for printing bendable felty objects. For the best result we recommend to immerse the print in a basin of tap water for 1 to 4 days.


Features of POROLAY LAY-FELT filament
- Optimal for printing felted objects
- Close to no warping
- A heated bed is not necessary when printing with LAY-FELT
- Printed objects are hot-sealable after drying
- Printed objects can be filled not only with water, try to use emulsions of oil, glycerin, inks, salty solutions, or ionic liquids to make it conductive
- All the components of LAY-FELT are harmless and food safe (FormFutura statement only).

Recommendations for printing POROLAY LAY-FELT filament
- Printing temp: between 225°-235°C
- For maximum flexibility rinse printed object in tap water for 1 to 4 days
- Shorten rinsing time by printing less walls/shells and less filling %
- Store filament dry / if wet after time > dry it in oven at 80° for several hours
- After drying printed objects will be hot-sealable

You can purchase whole spools/reels/coils from these suppliers.

Asia - 
Australia -
Europe - FormFutura
Middle East - 
United Kingdom - 3DFilaPrint

Note:  All filament weights include packaging. Average weight for 5 metres of 1.75mm filament (without packaging) is 15 gms and 5 metres of 2.85mm filament is 35 gms.

Samples are shipped in a clear resealable bag, with a small sachet of silica gel.

Manufacturer recommended printer temperatures.
Extrusion Temp: Approx 210ºC

Platform Temp: Heated bed not required - However can print on a bed of 40ºC - 50ºC
Platform Materials: Recommended Blue Maskin Tape
Please note, the above temperatures are only a guide.

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Technical Specifications

Brand Kai Parthy / Lay-Filaments
Weight 0.055kg

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