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Aquarium Filter / Media Reactor v2

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Creation's quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.
  • 2.3k views
  • 9 likes
  • 85 downloads

3D model description

DIY aquarium filter / media reactor / bioreactor

  • 3D-printable
  • no supports
  • watertight without caulking
  • minimal assembly
  • disassembles for cleaning

PARTS

6 - ABS (or PLA) 3D-printed pieces
1 - 3" clear polycarbonate tube
4 - M3 x 20mm socket-head screws
4 - M3 nuts
1 - 3" soft rubber o-ring
6-12" of 0.5" ABS tube
0.5" soft silicone tubing
snap-grip nylon hose clamps

SUPPLIES

ASSEMBLY SUGGESTIONS

ABS pipe:
- cut the top of pipe so that 1cm extends past the top of the upper flange
- cut the bottom of the pipe so there's about a 5mm gap between the pipe and lower flange
- bevel the cut pipe ends if flared
- use acrylic cement to bond the bottom screen to the ABS drop tube at the desired height

cleanup:
- where the ABS drop pipe enters the hose barb -- de-bur the inner hole and remove stray filaments from the overhang
- de-bur and lightly sand the top bevel inside the upper flange

tube-body assembly:
- fill a syringe with acrylic cement
- apply a small amount of acrylic cement in the base and upper flange channels
- twist the flanges onto the polycarbonate tube for an even coat of cement
- align the upper and lower flanges

hardware:
- press in magnets with a drop of CA glue
- press in M3 nuts

pre- and post-reactor mechanical filters:
- cut 20mm thick by 3-inch wide discs of filter material to fill the upper and lower filter baskets
- cut an x-shaped hole in the middle of each filter to pass the 0.5" inch drop tube
- push the lower filter into place with a rod

sealing:
- stretch the o-ring onto the convex cirfumference of the o-ring centralizer screen
- use a couple drops of CA glue between the o-ring and centralizer
- insert and tighten the M2 screws until just snug, or until the upper flange begins to bend at the corners. This will compress the o-ring between the two plates.

troubleshooting:
- if you have leaks where the polycarbonate tube meets a flange, apply a small bead of cement at the seam with a syringe
- if you have leaks at the top seal -- check that the seal is clean and that the drop tube isn't too long to allow the seal to compress

3D printing settings

  • 0.2mm layer height
  • 40% or higher infill
  • 4-6 walls
  • There is a built-in 0.2mm layer that needs to be removed from the underside of the inlet pipe overhang
  • 3D file format: STL
  • Publication date: 2020/01/26 at 22:30

Tags

Creator

License

CC BY SA


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