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Proto Bong

Creation quality: 3.8/5 (5 votes)
Evaluation of members on the printability, utility, level of detail, etc.



3D model description

Stylish bong with Tri Pull Matrix produces a smoother hit.

Draws like a pencil, hits like a Bong!

Requires a 14mm bowl

3D printing settings

I used .25 layer height for all parts but of course you can print @ a higher resolution if you wish

Retraction settings:

  • Only retract when crossing open spaces
  • Minimum Travel for retraction 6mm
  • Perform retraction during wipe

I did not use 'Avoid crossing outline for travel movements' as this for some reason doesn't print as well especially along the start line/seam.

Select 'Choose start point closest to specific location' and rotate parts in your slicer until seam is down the back of the part(s)

I used supports only for the Connector.stl as there is an inside rim, you may have good results without supports with your printer, it's a small piece so I would try without supports first.

I find the bowl will leak eventually if it is not coated on the inside

To coat the bowl:

  • Varathane Diamond Wood Finish - Interior Water based poly - I think I paid $9.00 CDN

    • For Food Safe, BPA free, 0 VOC you can use a product called Art Resin it's a tad more expensive to purchase.


Sand with 300 grit sandpaper just to rough up the contact points and use non toxic glue, I used Weldbond Adhesive, 420-mL.

Sand the inside of the bowl as well before applying Coating


3D printer file information

  • Design number: 40044
  • 3D design format: STL Folder details Close
    • Bowl.stl
    • Connector.stl
    • Mouth.stl
    • Stem.stl
    • TriPull.stl

    Learn more about the formats

  • Last update: 2018-12-15 at 20:04
  • Publication date: 2018-12-07 at 18:37


CC BY-NC-SA - Attribution - Non commercial - Share alike


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