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How to 3D Print with Nylon Filament

Nylon filaments are one of the strongest materials available for desktop 3d printing, and with the proper settings and preparation, they're pretty easy to use.  If you need extra strong parts that can withstand tons of pressure, wear and tear, or even chemical resistance, then nylon is a better material to print with than PLA or ABS.  
Pay close attention to your extruder temperature and if you're noticing any layer bonding issues that means you should increase your temperature by 5 degrees.  Nylons can print all the way up to 275C, so don't be afraid to turn the temperature up a bit if the material isn't bonding well.
  Below is a guide to multiple nylon options for 3d printing, and the best settings for your printer for each material type.

Nylon Bridge

nylon bridge 3d printer filament
Nylon Bridge was designed specifically to provide a nylon alternative to ABS or PLA, for a similar price.  It provides extra durability and prints well between 250-265C.  Nylon Bridge is available in 1.75mm and 3mm.

Extruder Temperature Range: 250-265C

Bed Temperature Range: 45-60C

Material for Print Bed: Coat of PVA glue stick

Retraction Setting: 3-4mm

Nylon 230

nylon 230 3d printer filament

An affordable, easy to use nylon filament which produces stronger parts than ABS or PLA.  Most notably, Nylon 230 prints at lower temperatures (~230C) than other nylons, which is helpful if your printer's extruder doesn't have a high temperature range.  Nylon 230 is available in 1.75mm and 3mm.
Extruder Temperature Range: 230-235C
Bed Temperature Range: 45-60C
Material for Print Bed: Coat of PVA glue stick
Retraction Setting: 3-4mm

Nylon 645

nylon 645 3d printer filament

A non-destructive nylon material with chemical resistant properties.  If you need a material that can withstand a lot of pressure, chemical contact or sand blasting, 645 is your material.  Notably, 645 is a chemical resistant material.  Nylon 645 is available in 1.75mm and 3mm.
Extruder Temperature Range: 250-255C
Bed Temperature Range: 45-60C
Material for Print Bed: Coat of PVA glue stick
Retraction Setting: 3-4mm

Nylon 680

nylon 680 3d printer filament

A nylon material designed specifically to be FDA compliant for food and beverage contact.  If you're designing utensils, cups, beverage or food containers, Nylon 680 is a strong, dishwasher safe material to print with.  Nylon 680 is available in 1.75mm and 3mm.
Extruder Temperature Range: 250-255C
Bed Temperature Range: 45-60C
Material for Print Bed: Coat of PVA glue stick
Retraction Setting: 3-4mm