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====== 3D Printing Filament in Singapore ======

===== Stores =====

  * Amazon.sg
    * [[https://www.amazon.sg/s?me=A2T8ODD3XRIGVD|CC3D Singapore]] (~S$16/kg, next day delivery)
  * Taobao
    * [[https://world.taobao.com/dianpu/251914633.htm|易生 eSUN]]
    * [[https://world.taobao.com/dianpu/334690288.htm|天瑞企业店 Tinmorry]]

===== Favorite Filaments =====

==== PETG ====

  * eSUN
    * [[https://www.esun3d.com/petg-refilament-product/|PETG Refilament]]
      * + Great general-purpose filament
      * + Good tensile strength
      * + Good heat resistance
      * ± Flexible
      * + Stringing can be completely eliminated with retraction length calibration
  * CC3D
    * [[https://cc3dglobal.com/product-category/petg-filament/|PETG]]
      * + Great general-purpose filament
      * + Good tensile strength
      * + Good heat resistance
      * ± Flexible
      * - Fine stringing that **cannot** be completely eliminated with any length of retraction
      * Colored filament is not completely opaque, could be useful for single-layer LED shine-through

==== PETG Composites ====

  * Tinmorry
    * [[https://sg.world.taobao.com/item/766060690432.htm|PETG-GF]]
      * + Great general-purpose filament
      * + Good tensile strength from PETG
      * + Good yield strength/impact resistance from glass fiber
      * + Great heat resistance
      * + Matte surface texture
      * - I had extreme reel to reel variance, one reel was ~1.79mm diameter while another was :!: ~1.82mm :!: diameter, measure and set extrusion multiplier per reel!
      * Use the link above to order rather than the usual product listing page, as the store blocked orders from non-mainland China access

==== PLA Composites ====

    * [[https://www.esun3d.com/epla-gf-product/|ePLA-GF]]
      * + Prints are very strong without being too brittle
      * + Matte surface texture
      * + Soft light diffusion
===== Disliked Filaments =====

  * eSUN
    * [[https://www.esun3d.com/epa-cf-product/|eSUN ePA-CF]]
      * Prints are very flexible and soft in XY axis, strength is only in the Z axis
      * Probably has to do with the orientation of the carbon fibers due to extrusion
  * ABS
    * Filament shrinks during printing
      * Prints will end up slightly under-sized, especially in X-Y axes
      * Perimeters warp upward like mad throughout the print
      * Print will detach from the bed and fail, which can be mitigated by a large (≥1 cm) brim
      * Even with a brim, the first layer will still have warped perimeters
    * Fills your home with noxious fumes during printing
    * Plenty of modern alternatives to attain similar properties, e.g. composite blends (-GF, -CF) or polymer blends (PETG HT, PC blend)
  * All PLA/ePLA
    * PLA glass transition (softening) temperature is around 60°C, making it unsuitable for many warm environments like direct sunlight, vehicle interiors, electronics enclosures, etc.
    * PLA is not dimensionally stable - creeps over time at any temperature
    * PLA polymer biodegrades over time, becoming brittle or breaking down into various chemicals
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